S1·E25 You're Saying You Can't Sleep?
Aired November 16, 2001
Synopsis
After catching a cold from Gaster, PJ can't sleep, which has an adverse effect on him. What's worse, he starts to grow larger every time he eats. After being sucked into PJ's little world (via his nose), PaRappa and co. try to expunge the Gaster Virus and save their friend.