diff --git a/source/friend/fgary.cpp b/source/friend/fgary.cpp
index 43ffcdcb6..5ce73d7b7 100644
--- a/source/friend/fgary.cpp
+++ b/source/friend/fgary.cpp
@@ -39,6 +39,7 @@
 
 
 u8 CNpcGaryFriend::m_garySpeech;
+u8 CNpcGaryFriend::m_hasReachedDoor;
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
diff --git a/source/friend/fgary.h b/source/friend/fgary.h
index dd7ecc9fb..f90c3838c 100644
--- a/source/friend/fgary.h
+++ b/source/friend/fgary.h
@@ -33,6 +33,8 @@ public:
 	void				startRight();
 	void				render();
 	void				setObstructed()											{m_obstructed = true;}
+	static void			setReachedDoor()										{m_hasReachedDoor = true;}
+	static bool			hasReachedDoor()										{return( m_hasReachedDoor );}
 
 protected:
 	DVECTOR				m_triggerPos;
@@ -46,6 +48,7 @@ protected:
 	u8					m_garySB;
 	u8					m_garyMeow;
 	static u8			m_garySpeech;
+	static u8			m_hasReachedDoor;
 };
 
 #endif
\ No newline at end of file
diff --git a/source/triggers/tteleprt.cpp b/source/triggers/tteleprt.cpp
index 92924e8fd..973a7e41e 100644
--- a/source/triggers/tteleprt.cpp
+++ b/source/triggers/tteleprt.cpp
@@ -18,10 +18,22 @@
 #include "triggers\trigger.h"
 #include "triggers\tteleprt.h"
 
+#ifndef __GAME_GAME_H__
+#include	"game\game.h"
+#endif
+
 #ifndef	__PLAYER_PLAYER_H__
 #include "player\player.h"
 #endif
 
+#ifndef __FRIEND_FRIEND_H__
+#include "friend\friend.h"
+#endif
+
+#ifndef __FRIEND_FGARY_H__
+#include "friend\fgary.h"
+#endif
+
 	
 /*	Std Lib
 	------- */
@@ -54,15 +66,44 @@
   ---------------------------------------------------------------------- */
 void	CTeleportTrigger::collidedWith(CThing *_thisThing)
 {
+	int chapter=GameScene.getChapterNumber();
+	int level=GameScene.getLevelNumber();
+
 	switch( _thisThing->getThingType() )
 	{
 		case TYPE_PLAYER:
 		{
+			if ( chapter == 1 && level == 5 )
+			{
+				if ( !CNpcGaryFriend::hasReachedDoor() )
+				{
+					// if we're on chapter 1, level 5, check Gary has reached the teleport point
+					// if he hasn't, don't let Spongey through
+
+					return;
+				}
+			}
+
 			((CPlayer*)_thisThing)->clearPlatform();
 			((CPlayer*)_thisThing)->teleportTo(m_boxX1+8,m_boxY1+16);
 			break;
 		}
 
+		case TYPE_NPC:
+		{
+			if ( _thisThing->getThingSubType() == CNpcFriend::NPC_FRIEND_GARY )
+			{
+				if ( chapter == 1 && level == 5 )
+				{
+					// if Gary has touched a teleport on chapter 1, level 5, remember that he has done so
+
+					CNpcGaryFriend::setReachedDoor();
+				}
+			}
+
+			break;
+		}
+
 		default:
 			break;
 	}