diff --git a/code/__HELPERS/global_lists.dm b/code/__HELPERS/global_lists.dm
index 9ce17b7530c..ba215f55130 100644
--- a/code/__HELPERS/global_lists.dm
+++ b/code/__HELPERS/global_lists.dm
@@ -172,6 +172,12 @@
 		if(initial(D.name))
 			GLOB.keybindings += new path()
 
+	for(var/path in subtypesof(/datum/objective))
+		var/datum/objective/O = path
+		if(isnull(initial(O.name)))
+			continue // These are not valid objectives to add.
+		GLOB.admin_objective_list[initial(O.name)] = path
+
 /* // Uncomment to debug chemical reaction list.
 /client/verb/debug_chemical_list()
 
diff --git a/code/game/gamemodes/miniantags/abduction/abduction.dm b/code/game/gamemodes/miniantags/abduction/abduction.dm
index 04f9738745d..bdf8449fa6b 100644
--- a/code/game/gamemodes/miniantags/abduction/abduction.dm
+++ b/code/game/gamemodes/miniantags/abduction/abduction.dm
@@ -50,7 +50,7 @@
 	team_names[team_number] = "Mothership [pick(GLOB.possible_changeling_IDs)]" //TODO Ensure unique and actual alieny names
 	//Team Objective
 	var/datum/objective/experiment/team_objective = new
-	team_objective.abductor_team = team_number
+	team_objective.abductor_team_number = team_number
 	team_objectives[team_number] = team_objective
 	//Team Members
 
@@ -238,7 +238,8 @@
 // OBJECTIVES
 /datum/objective/experiment
 	target_amount = 6
-	var/abductor_team
+	/// Which abductor team number does this belong to.
+	var/abductor_team_number
 
 /datum/objective/stay_hidden
 
@@ -251,7 +252,7 @@
 	explanation_text = "Experiment on [target_amount] humans."
 
 /datum/objective/experiment/check_completion()
-	var/ab_team = abductor_team
+	var/ab_team = abductor_team_number
 	var/list/owners = get_owners()
 	for(var/datum/mind/M in owners)
 		if(!M.current || !ishuman(M.current) || !isabductor(M.current))
diff --git a/code/game/gamemodes/objective.dm b/code/game/gamemodes/objective.dm
index 2d6b8ac9c63..723ae80033a 100644
--- a/code/game/gamemodes/objective.dm
+++ b/code/game/gamemodes/objective.dm
@@ -1,8 +1,17 @@
+/// Stores a reference to every [objective][/datum/objective] which currently exists.
 GLOBAL_LIST_EMPTY(all_objectives)
+// Used in admin procs to give them a pretty list to look at, and to also have sane reusable code.
+/// Stores objective [names][/datum/objective/var/name] as list keys, and their corresponding typepaths as list values.
+GLOBAL_LIST_EMPTY(admin_objective_list)
 
 GLOBAL_LIST_INIT(potential_theft_objectives, (subtypesof(/datum/theft_objective) - /datum/theft_objective/steal - /datum/theft_objective/number - /datum/theft_objective/unique))
 
 /datum/objective
+	/**
+	 * Proper name of the objective. Not player facing, only shown to admins when adding objectives.
+	 * Leave as null (or override to null) if you don't want admins to see that objective as a viable one to add (such as the mindslave objective).
+	 */
+	var/name
 	/**
 	 * Owner of the objective.
 	 * Note that it's fine to set this directly, but when needing to check completion of the objective or otherwise check conditions on the owner of the objective,
@@ -76,13 +85,13 @@ GLOBAL_LIST_INIT(potential_theft_objectives, (subtypesof(/datum/theft_objective)
 	return ..()
 
 
-/datum/objective/proc/find_target()
+/datum/objective/proc/find_target(list/target_blacklist)
 	if(!needs_target)
 		return
 
 	var/list/possible_targets = list()
 	for(var/datum/mind/possible_target in SSticker.minds)
-		if(is_invalid_target(possible_target))
+		if(is_invalid_target(possible_target) || (possible_target in target_blacklist))
 			continue
 
 		possible_targets += possible_target
@@ -117,9 +126,10 @@ GLOBAL_LIST_INIT(potential_theft_objectives, (subtypesof(/datum/theft_objective)
 		M.announce_objectives()
 
 /datum/objective/assassinate
+	name = "Assassinate"
 	martyr_compatible = 1
 
-/datum/objective/assassinate/find_target()
+/datum/objective/assassinate/find_target(list/target_blacklist)
 	..()
 	if(target && target.current)
 		explanation_text = "Assassinate [target.current.real_name], the [target.assigned_role]."
@@ -140,9 +150,10 @@ GLOBAL_LIST_INIT(potential_theft_objectives, (subtypesof(/datum/theft_objective)
 
 
 /datum/objective/mutiny
+	name = "Mutiny"
 	martyr_compatible = 1
 
-/datum/objective/mutiny/find_target()
+/datum/objective/mutiny/find_target(list/target_blacklist)
 	..()
 	if(target && target.current)
 		explanation_text = "Assassinate [target.current.real_name], the [target.assigned_role]."
@@ -166,9 +177,10 @@ GLOBAL_LIST_INIT(potential_theft_objectives, (subtypesof(/datum/theft_objective)
 	qdel(src)
 
 /datum/objective/maroon
+	name = "Maroon"
 	martyr_compatible = 1
 
-/datum/objective/maroon/find_target()
+/datum/objective/maroon/find_target(list/target_blacklist)
 	..()
 	if(target && target.current)
 		explanation_text = "Prevent [target.current.real_name], the [target.assigned_role] from escaping alive."
@@ -194,9 +206,10 @@ GLOBAL_LIST_INIT(potential_theft_objectives, (subtypesof(/datum/theft_objective)
 
 
 /datum/objective/debrain //I want braaaainssss
+	name = "Debrain"
 	martyr_compatible = 0
 
-/datum/objective/debrain/find_target()
+/datum/objective/debrain/find_target(list/target_blacklist)
 	..()
 	if(target && target.current)
 		explanation_text = "Steal the brain of [target.current.real_name] the [target.assigned_role]."
@@ -219,9 +232,10 @@ GLOBAL_LIST_INIT(potential_theft_objectives, (subtypesof(/datum/theft_objective)
 
 
 /datum/objective/protect //The opposite of killing a dude.
+	name = "Protect"
 	martyr_compatible = 1
 
-/datum/objective/protect/find_target()
+/datum/objective/protect/find_target(list/target_blacklist)
 	..()
 	if(target && target.current)
 		explanation_text = "Protect [target.current.real_name], the [target.assigned_role]."
@@ -256,6 +270,7 @@ GLOBAL_LIST_INIT(potential_theft_objectives, (subtypesof(/datum/theft_objective)
 		qdel(src)
 
 /datum/objective/hijack
+	name = "Hijack"
 	martyr_compatible = 0 //Technically you won't get both anyway.
 	explanation_text = "Hijack the shuttle by escaping on it with no loyalist Nanotrasen crew on board and free. \
 	Syndicate agents, other enemies of Nanotrasen, cyborgs, pets, and cuffed/restrained hostages may be allowed on the shuttle alive. \
@@ -271,6 +286,7 @@ GLOBAL_LIST_INIT(potential_theft_objectives, (subtypesof(/datum/theft_objective)
 	return SSshuttle.emergency.is_hijacked()
 
 /datum/objective/hijackclone
+	name = "Hijack (with clones)"
 	explanation_text = "Hijack the shuttle by ensuring only you (or your copies) escape."
 	martyr_compatible = 0
 	needs_target = FALSE
@@ -303,6 +319,7 @@ GLOBAL_LIST_INIT(potential_theft_objectives, (subtypesof(/datum/theft_objective)
 	return FALSE
 
 /datum/objective/block
+	name = "Silicon hijack"
 	explanation_text = "Hijack the shuttle with no loyalist Nanotrasen crew on board and free. \
 	Syndicate agents, other enemies of Nanotrasen, cyborgs, pets, and cuffed/restrained hostages may be allowed on the shuttle alive. \
 	Using the doomsday device successfully is also an option."
@@ -322,6 +339,7 @@ GLOBAL_LIST_INIT(potential_theft_objectives, (subtypesof(/datum/theft_objective)
 	return TRUE
 
 /datum/objective/escape
+	name = "Escape"
 	explanation_text = "Escape on the shuttle or an escape pod alive and free."
 	needs_target = FALSE
 
@@ -350,6 +368,7 @@ GLOBAL_LIST_INIT(potential_theft_objectives, (subtypesof(/datum/theft_objective)
 
 
 /datum/objective/escape/escape_with_identity
+	name = null
 	/// Stored because the target's `[mob/var/real_name]` can change over the course of the round.
 	var/target_real_name
 	/// If the objective has an assassinate objective tied to it.
@@ -371,7 +390,7 @@ GLOBAL_LIST_INIT(potential_theft_objectives, (subtypesof(/datum/theft_objective)
 	// If the target is geneless, then it's an invalid target.
 	return HAS_TRAIT(possible_target.current, TRAIT_GENELESS)
 
-/datum/objective/escape/escape_with_identity/find_target()
+/datum/objective/escape/escape_with_identity/find_target(list/target_blacklist)
 	..()
 	if(target && target.current)
 		target_real_name = target.current.real_name
@@ -413,6 +432,7 @@ GLOBAL_LIST_INIT(potential_theft_objectives, (subtypesof(/datum/theft_objective)
 	return FALSE
 
 /datum/objective/die
+	name = "Die a glorious death"
 	explanation_text = "Die a glorious death."
 	needs_target = FALSE
 
@@ -428,6 +448,7 @@ GLOBAL_LIST_INIT(potential_theft_objectives, (subtypesof(/datum/theft_objective)
 
 
 /datum/objective/survive
+	name = "Survive"
 	explanation_text = "Stay alive until the end."
 	needs_target = FALSE
 
@@ -440,11 +461,13 @@ GLOBAL_LIST_INIT(potential_theft_objectives, (subtypesof(/datum/theft_objective)
 	return TRUE
 
 /datum/objective/nuclear
+	name = "Nuke station"
 	explanation_text = "Destroy the station with a nuclear device."
 	martyr_compatible = 1
 	needs_target = FALSE
 
 /datum/objective/steal
+	name = "Steal Item"
 	var/datum/theft_objective/steal_target
 	martyr_compatible = 0
 	var/theft_area
@@ -452,7 +475,7 @@ GLOBAL_LIST_INIT(potential_theft_objectives, (subtypesof(/datum/theft_objective)
 /datum/objective/steal/proc/get_location()
 	return steal_target.location_override || "an unknown area"
 
-/datum/objective/steal/find_target()
+/datum/objective/steal/find_target(list/target_blacklist)
 	var/potential = GLOB.potential_theft_objectives.Copy()
 	while(!steal_target && length(potential))
 		var/thefttype = pick_n_take(potential)
@@ -531,6 +554,7 @@ GLOBAL_LIST_INIT(potential_theft_objectives, (subtypesof(/datum/theft_objective)
 
 
 /datum/objective/absorb
+	name = "Absorb DNA"
 	needs_target = FALSE
 
 /datum/objective/absorb/proc/gen_amount_goal(lowbound = 4, highbound = 6)
@@ -562,10 +586,11 @@ GLOBAL_LIST_INIT(potential_theft_objectives, (subtypesof(/datum/theft_objective)
 	return FALSE
 
 /datum/objective/destroy
+	name = "Destroy AI"
 	martyr_compatible = 1
 	var/target_real_name
 
-/datum/objective/destroy/find_target()
+/datum/objective/destroy/find_target(list/target_blacklist)
 	var/list/possible_targets = active_ais(1)
 	var/mob/living/silicon/ai/target_ai = pick(possible_targets)
 	target = target_ai.mind
@@ -584,6 +609,7 @@ GLOBAL_LIST_INIT(potential_theft_objectives, (subtypesof(/datum/theft_objective)
 	return TRUE
 
 /datum/objective/steal_five_of_type
+	name = "Steal Five Items"
 	explanation_text = "Steal at least five items!"
 	needs_target = FALSE
 	var/list/wanted_items = list()
@@ -606,10 +632,12 @@ GLOBAL_LIST_INIT(potential_theft_objectives, (subtypesof(/datum/theft_objective)
 	return stolen_count >= 5
 
 /datum/objective/steal_five_of_type/summon_guns
+	name = "Steal Five Guns"
 	explanation_text = "Steal at least five guns!"
 	wanted_items = list(/obj/item/gun)
 
 /datum/objective/steal_five_of_type/summon_magic
+	name = "Steal Five Artefacts"
 	explanation_text = "Steal at least five magical artefacts!"
 	wanted_items = list()
 
@@ -639,6 +667,7 @@ GLOBAL_LIST_INIT(potential_theft_objectives, (subtypesof(/datum/theft_objective)
 	return stolen_count >= 5
 
 /datum/objective/blood
+	name = "Spread blood"
 	needs_target = FALSE
 
 /datum/objective/blood/New()
diff --git a/code/modules/admin/player_panel.dm b/code/modules/admin/player_panel.dm
index 46ed68bf5b6..33cf379e115 100644
--- a/code/modules/admin/player_panel.dm
+++ b/code/modules/admin/player_panel.dm
@@ -363,6 +363,8 @@
 				dat += "ETA: <a href='?_src_=holder;edit_shuttle_time=1'>[(timeleft / 60) % 60]:[add_zero(num2text(timeleft % 60), 2)]</a><BR>"
 
 		dat += "<a href='?src=[UID()];delay_round_end=1'>[SSticker.delay_end ? "End Round Normally" : "Delay Round End"]</a><br>"
+		dat += "<br><b>Antagonist Teams</b><br>"
+		dat += "<a href='?src=[UID()];check_teams=1'>View Teams</a><br>"
 		if(SSticker.mode.syndicates.len)
 			dat += "<br><table cellspacing=5><tr><td><B>Syndicates</B></td><td></td></tr>"
 			for(var/datum/mind/N in SSticker.mode.syndicates)
diff --git a/code/modules/admin/topic.dm b/code/modules/admin/topic.dm
index 5d4a7be0e42..352f24886e1 100644
--- a/code/modules/admin/topic.dm
+++ b/code/modules/admin/topic.dm
@@ -1609,6 +1609,49 @@
 	else if(href_list["check_antagonist"])
 		check_antagonists()
 
+	else if(href_list["check_teams"])
+		if(!check_rights(R_ADMIN))
+			return
+		check_teams()
+
+	else if(href_list["team_command"])
+		if(!check_rights(R_ADMIN))
+			return
+		var/datum/team/team
+		var/datum/mind/member
+		if(href_list["team"])
+			team = locateUID(href_list["team"])
+			if(QDELETED(team))
+				to_chat(usr, "<span class='warning'>This team doesn't exist anymore!</span>")
+				return
+		if(href_list["member"])
+			member = locateUID(href_list["member"])
+			if(QDELETED(member))
+				to_chat(usr, "<span class='warning'>This team member doesn't exist anymore!</span>")
+				return
+		switch(href_list["team_command"])
+			if("communicate")
+				team.admin_communicate(usr)
+			if("delete_team")
+				message_admins("[key_name_admin(usr)] has deleted the '[team.name]' team.")
+				log_admin("[key_name_admin(usr)] has deleted the '[team.name]' team.")
+				qdel(team)
+			if("rename_team")
+				team.admin_rename_team(usr)
+			if("admin_add_member")
+				team.admin_add_member(usr)
+			if("remove_member")
+				team.admin_remove_member(usr, member)
+			if("view_member")
+				show_player_panel(member.current)
+			if("add_objective")
+				team.admin_add_objective(usr)
+			if("remove_objective")
+				var/datum/objective/O = locateUID(href_list["objective"])
+				if(O)
+					team.admin_remove_objective(usr, O)
+		check_teams()
+
 	else if(href_list["take_question"])
 		var/index = text2num(href_list["take_question"])
 
diff --git a/code/modules/antagonists/_common/antag_datum.dm b/code/modules/antagonists/_common/antag_datum.dm
index 2c7503f4a4b..81053f72146 100644
--- a/code/modules/antagonists/_common/antag_datum.dm
+++ b/code/modules/antagonists/_common/antag_datum.dm
@@ -44,7 +44,10 @@ GLOBAL_LIST_EMPTY(antagonists)
 	assigned_targets = list()
 
 /datum/antagonist/Destroy(force, ...)
-	QDEL_LIST(objectives)
+	for(var/datum/objective/O as anything in objectives)
+		objectives -= O
+		if(!O.team)
+			qdel(O)
 	remove_owner_from_gamemode()
 	GLOB.antagonists -= src
 	if(!silent)
diff --git a/code/modules/antagonists/_common/antag_helpers.dm b/code/modules/antagonists/_common/antag_helpers.dm
index af00cbf3190..42b84ddeec6 100644
--- a/code/modules/antagonists/_common/antag_helpers.dm
+++ b/code/modules/antagonists/_common/antag_helpers.dm
@@ -6,14 +6,3 @@
 			continue
 		if(!antag_type || !specific && istype(A, antag_type) || specific && A.type == antag_type)
 			. += A.owner
-
-//Get all teams [of type team_type]
-/proc/get_all_teams(team_type)
-	. = list()
-	for(var/V in GLOB.antagonists)
-		var/datum/antagonist/A = V
-		if(!A.owner)
-			continue
-		var/datum/team/T = A.get_team()
-		if(!team_type || istype(T, team_type))
-			. |= T
diff --git a/code/modules/antagonists/_common/antag_team.dm b/code/modules/antagonists/_common/antag_team.dm
index 9dcec5894ee..1b4b0a47cf7 100644
--- a/code/modules/antagonists/_common/antag_team.dm
+++ b/code/modules/antagonists/_common/antag_team.dm
@@ -1,24 +1,217 @@
-//A barebones antagonist team.
+GLOBAL_LIST_EMPTY(antagonist_teams)
+
+/**
+ * # Antagonist Team
+ *
+ * Datum used by team antagonists to track it's members and objectives the team needs to complete.
+ */
 /datum/team
-	var/list/datum/mind/members = list()
-	var/name = "team"
-	var/member_name = "member"
-	var/list/objectives = list() //common objectives, these won't be added or removed automatically, subtypes handle this, this is here for bookkeeping purposes.
+	/// The name of the team.
+	var/name = "Generic Team Name"
+	/// A list of [minds][/datum/mind] who belong to this team.
+	var/list/members
+	/// A list of objectives which all team members share.
+	var/list/objectives
+	/// Type of antag datum members of this team have. Also given to new members added by admins.
+	var/antag_datum_type
 
-/datum/team/New(starting_members)
-	. = ..()
-	if(starting_members)
-		if(islist(starting_members))
-			for(var/datum/mind/M in starting_members)
-				add_member(M)
-		else
-			add_member(starting_members)
+/datum/team/New(list/starting_members)
+	..()
+	members = list()
+	objectives = list()
+	if(starting_members && !islist(starting_members))
+		starting_members = list(starting_members)
+	for(var/datum/mind/M as anything in starting_members)
+		add_member(M)
+	GLOB.antagonist_teams += src
 
-/datum/team/proc/is_solo()
-	return members.len == 1
+/datum/team/Destroy(force = FALSE, ...)
+	for(var/datum/mind/member as anything in members)
+		remove_member(member)
+	QDEL_LIST(objectives)
+	members.Cut()
+	GLOB.antagonist_teams -= src
+	return ..()
 
+/**
+ * Adds `new_member` to this team.
+ *
+ * Generally this should ONLY be called by `add_antag_datum()` to ensure proper order of operations.
+ */
 /datum/team/proc/add_member(datum/mind/new_member)
+	SHOULD_CALL_PARENT(TRUE)
+	var/datum/antagonist/team_antag = get_antag_datum_from_member(new_member)
 	members |= new_member
+	team_antag.objectives |= objectives
 
+/**
+ * Removes `member` from this team.
+ */
 /datum/team/proc/remove_member(datum/mind/member)
+	SHOULD_CALL_PARENT(TRUE)
+	var/datum/antagonist/A = get_antag_datum_from_member(member)
 	members -= member
+	A.objectives -= objectives
+
+/**
+ * Adds a new member to this team from a list of players in the round.
+ */
+/datum/team/proc/admin_add_member(mob/user)
+	var/list/valid_minds = list()
+	for(var/mob/living/carbon/human/H in GLOB.player_list)
+		if(!H.mind || (H.mind in members))
+			continue
+		valid_minds[H.real_name] = H.mind
+
+	var/name = input(user, "Choose a player to add to this team", "Add Team Member") as null|anything in valid_minds
+	if(!name)
+		to_chat(user, "<span class='warning'>No suitable humanoid targets found!</span>")
+		return
+
+	var/datum/mind/new_member = valid_minds[name]
+	add_member(new_member)
+
+/**
+ * Adds a team objective to each member's matching antag datum.
+ */
+/datum/team/proc/add_objective_to_members(datum/objective/O)
+	for(var/datum/mind/M as anything in members)
+		var/datum/antagonist/A = get_antag_datum_from_member(M)
+		A.objectives |= O
+
+/**
+ * Remove a team objective from each member's matching antag datum.
+ */
+/datum/team/proc/remove_objective_from_members(datum/objective/O)
+	for(var/datum/mind/M as anything in members)
+		var/datum/antagonist/A = get_antag_datum_from_member(M)
+		A.objectives -= O
+	objectives -= O
+	qdel(O)
+
+/**
+ * Return an antag datum from a member which is linked with this team.
+ */
+/datum/team/proc/get_antag_datum_from_member(datum/mind/member)
+	for(var/datum/antagonist/A as anything in member.antag_datums)
+		if(A.get_team() != src)
+			continue
+		return A
+	// If no matching antag datum was found, give them one.
+	if(antag_datum_type)
+		member.add_antag_datum(antag_datum_type, src)
+
+/**
+ * Allows admins to send a message to all members of this team.
+ */
+/datum/team/proc/admin_communicate(mob/user)
+	var/message = input(user, "Enter a message to send to the team:", "Team Message") as text|null
+	if(!message)
+		return
+
+	for(var/datum/mind/M as anything in members)
+		to_chat(M.current, "<font color='#d6000b'><span class='bold'>Admin Team Message ([user.key]): </span><span class='notice'>[message]</span>")
+
+	message_admins("Team Message: [key_name(user)] -> '[name]' team. Message: [message]")
+	log_admin("Team Message: [key_name(user)] -> '[name]' team. Message: [message]")
+
+/**
+ * Allows admins to add a team objective.
+ */
+/datum/team/proc/admin_add_objective(mob/user)
+	var/selected = input("Select an objective type:", "Objective Type") as null|anything in GLOB.admin_objective_list
+	if(!selected)
+		return
+
+	var/objective_type = GLOB.admin_objective_list[selected]
+	var/datum/objective/O = new objective_type(team_to_join = src)
+	O.find_target(members) // Blacklist any team members from being the target.
+	objectives |= O
+	add_objective_to_members(O)
+
+	message_admins("[key_name_admin(user)] added objective [O.type] to the team '[name]'.")
+	log_admin("[key_name(user)] added objective [O.type] to the team '[name]'.")
+
+/**
+ * Allows admins to remove a team objective.
+ */
+/datum/team/proc/admin_remove_objective(mob/user, datum/objective/O)
+	remove_objective_from_members(O)
+	message_admins("[key_name_admin(user)] removed objective [O.type] from the team '[name]'.")
+	log_admin("[key_name(user)] removed objective [O.type] from the team '[name]'.")
+
+/**
+ * Allows admins to rename the team.
+ */
+/datum/team/proc/admin_rename_team(mob/user)
+	var/team_name = stripped_input(user, "Enter a new name for the team:", "Rename Team")
+	if(!team_name)
+		return
+
+	message_admins("[key_name_admin(user)] renamed the '[name]' team to '[team_name]'.")
+	log_admin("[key_name(user)] renamed the '[name]' team to '[team_name]'.")
+	name = team_name
+
+/**
+ * Allows admins to remove a team member.
+ */
+/datum/team/proc/admin_remove_member(mob/user, datum/mind/M)
+	message_admins("[key_name_admin(user)] removed [key_name_admin(M)] from the team '[name]'.")
+	log_admin("[key_name(user)] removed [key_name(M)] from the team '[name]'.")
+	remove_member(M)
+
+// Used for running team specific admin commands.
+/datum/team/Topic(href, href_list)
+	if(!check_rights(R_ADMIN))
+		return
+
+	var/commands = get_admin_commands()
+	for(var/admin_command in commands)
+		if(href_list["command"] == admin_command)
+			var/datum/callback/C = commands[admin_command]
+			C.Invoke(usr)
+			return
+
+/**
+ * A list of team-specific admin commands for this team. Should be in the form of `"command" = CALLBACK(x, PROC_REF(some_proc))`.
+ */
+/datum/team/proc/get_admin_commands()
+	return list()
+
+/**
+ * Opens a window which lists the teams for the round.
+ */
+/datum/admins/proc/check_teams()
+	if(!SSticker.HasRoundStarted())
+		to_chat(usr, "<span class='warning'>The game hasn't started yet!</span>")
+		return
+
+	var/datum/browser/popup = new(usr, "teams", "Team List", 500, 500)
+	popup.set_content(list_teams())
+	popup.open()
+
+/**
+ * Returns HTML content for the "check teams" window.
+ */
+/datum/admins/proc/list_teams()
+	var/list/content = list()
+	if(!length(GLOB.antagonist_teams))
+		content += "There are currently no antag teams."
+	for(var/datum/team/T as anything in GLOB.antagonist_teams)
+		content += "<h3>[T.name] - [T.type]</h3>"
+		content += "<a href='?_src_=holder;team_command=rename_team;team=[T.UID()]'>Rename Team</a>"
+		content += "<a href='?_src_=holder;team_command=delete_team;team=[T.UID()]'>Delete Team</a>"
+		content += "<a href='?_src_=holder;team_command=communicate;team=[T.UID()]'>Message Team</a>"
+		for(var/command in T.get_admin_commands())
+			// _src_ is T.UID() so it points to `/datum/team/Topic` instead of `/datum/admins/Topic`.
+			content += "<a href='?_src_=[T.UID()];command=[command]'>[command]</a>"
+		content += "<br><br>Objectives:<br><ol>"
+		for(var/datum/objective/O as anything in T.objectives)
+			content += "<li>[O.explanation_text] - <a href='?_src_=holder;team_command=remove_objective;team=[T.UID()];objective=[O.UID()]'>Remove</a></li>"
+		content += "</ol><a href='?_src_=holder;team_command=add_objective;team=[T.UID()]'>Add Objective</a><br><br>"
+		content += "Members: <br><ol>"
+		for(var/datum/mind/M as anything in T.members)
+			content += "<li>[M.name] - <a href='?_src_=holder;team_command=view_member;team=[T.UID()];member=[M.UID()]'>Show Player Panel</a>"
+			content += "<a href='?_src_=holder;team_command=remove_member;team=[T.UID()];member=[M.UID()]'>Remove Member</a></li>"
+		content += "</ol><a href='?_src_=holder;team_command=admin_add_member;team=[T.UID()]'>Add Member</a><hr>"
+	return content.Join()