diff --git a/cogs/stage.py b/cogs/stage.py
index 59e57f1..f6ff126 100644
--- a/cogs/stage.py
+++ b/cogs/stage.py
@@ -1,12 +1,30 @@
-from discord import SlashCommandGroup, option, ApplicationContext, Attachment
+from datetime import datetime
+from zoneinfo import ZoneInfo
+
+from discord import ApplicationContext, Attachment, SlashCommandGroup, option
 from discord.ext.commands import Cog
 from discord.utils import basic_autocomplete
 
-from classes import PycordGuild, PycordEventStage, PycordEvent
+from classes import PycordEvent, PycordEventStage, PycordGuild
 from classes.pycord_bot import PycordBot
 from modules.utils import autocomplete_active_events, autocomplete_event_stages
 
 
+async def validate_event_status(
+    ctx: ApplicationContext,
+    event: PycordEvent,
+) -> None:
+    if event.cancelled:
+        # TODO Make a nice message
+        await ctx.respond("This event was cancelled.")
+        return
+
+    if event.starts <= datetime.now(tz=ZoneInfo("UTC")) <= event.ends:
+        # TODO Make a nice message
+        await ctx.respond("Ongoing events cannot be modified.")
+        return
+
+
 class Stage(Cog):
     """Cog with event stage management commands."""
 
@@ -39,13 +57,16 @@ class Stage(Cog):
         media: Attachment = None,
     ) -> None:
         guild: PycordGuild = await self.bot.find_guild(ctx.guild.id)
-        pycord_event: PycordEvent = await self.bot.find_event(event)
 
         if not guild.is_configured():
             # TODO Make a nice message
             await ctx.respond("Guild is not configured.")
             return
 
+        pycord_event: PycordEvent = await self.bot.find_event(event)
+
+        await validate_event_status(ctx, pycord_event)
+
         event_stage: PycordEventStage = await self.bot.create_event_stage(
             event=pycord_event,
             event_id=pycord_event._id,
@@ -96,14 +117,18 @@ class Stage(Cog):
         remove_media: bool = False,
     ) -> None:
         guild: PycordGuild = await self.bot.find_guild(ctx.guild.id)
-        pycord_event: PycordEvent = await self.bot.find_event(event)
-        event_stage: PycordEventStage = await self.bot.find_event_stage(stage)
 
         if not guild.is_configured():
             # TODO Make a nice message
             await ctx.respond("Guild is not configured.")
             return
 
+        pycord_event: PycordEvent = await self.bot.find_event(event)
+
+        await validate_event_status(ctx, pycord_event)
+
+        event_stage: PycordEventStage = await self.bot.find_event_stage(stage)
+
         if order is not None and order > len(pycord_event.stage_ids):
             # TODO Make a nice message
             await ctx.respond("Stage sequence out of range.")
@@ -149,14 +174,18 @@ class Stage(Cog):
             return
 
         guild: PycordGuild = await self.bot.find_guild(ctx.guild.id)
-        pycord_event: PycordEvent = await self.bot.find_event(event)
-        event_stage: PycordEventStage = await self.bot.find_event_stage(stage)
 
         if not guild.is_configured():
             # TODO Make a nice message
             await ctx.respond("Guild is not configured.")
             return
 
+        pycord_event: PycordEvent = await self.bot.find_event(event)
+
+        await validate_event_status(ctx, pycord_event)
+
+        event_stage: PycordEventStage = await self.bot.find_event_stage(stage)
+
         await pycord_event.remove_stage(self.bot, event_stage._id, cache=self.bot.cache)
         await event_stage.purge(cache=self.bot.cache)