*** Episode One: The Ending
Commander Keen returns to the Been-With-Bacon Megarocket and quickly replaces the missing parts. He must get home before his parents do.
Keen makes it home and rushes to beat his parents upstairs.
Billy...? Are you a-- WHAT IS THIS ONE-EYED GREEN THING IN YOUR ROOM???!!!
Aww Mom, can't I keep him?
Well, we'll talk about that in the morning, son. You get some rest.
OK Mom, goodnight.
But there is no sleep for Commander Keen! The Vorticon Mothership looms above ready to destroy earth!
You must find your way onto the Vorticon Mothership and destroy all the horrible Tantalus Rays! If you don't - THE EARTH EXPLODES! Don't miss episode two!