When Boog leaves his precious Chimp Chomp unguarded, Fanboy and Chum Chum seize the opportunity to finally play the game! Kyle is studying hard for his Milkweed Admittance Test, but the boys thwart his efforts by releasing Professor Flan.
After the boys accidentally release the monkey from Boog's favorite video game, Chum Chum sneaks into the machine and pretends to be Chimp Chomp so that Boog doesn't find out./Kyle's scheme to cheat his way back into Milkweed backfires when his spell for "crib notes" turns him into a baby.