It's the last week of summer and the kids' volunteer as staff-in-training to help with the unexpected arrival of two new campers until Buttsquat takes over the camp, and the gang challenges Buttsquat to the Lakebottom Classic for true ownership of Lakebottom one last time. This is the series finale.
The kids enter a Lakebottom House of Horrors only to discover that they will soon be the house's star attractions, and they fight their way through the Lakebottom House of Horrors to a final showdown with Gluteus Crouch.
The gang visits McGee's town to find out what happened to his parents.
An older McGee travels back in time to change the past and stop the staff from becoming bloodthirsty monsters.
The kids discover that Slimey is secretly hanging out with the bottomlukers.
McGee catches a cold, which gives him the ability to tell fortunes.
Santa Claus crash lands in the camp and McGee tries to help get him out.
The kids get trapped in a different dimension populated by giant Turkeysaurus Rexes.
The kids befriend a lost circus elephant.
The kids stop partying due to the Party Animal.
McGee has a nightmare come true and the kids try to intervene.
The gang becomes squirrels to answer for their crimes against the squirrel community.
An alien ship invades the camp.
Buttsquat brianwashes the kids to become his warriors.
Squirt's ear wax comes to life and hypnotizes Squirt into replacing his friends with sculpted ear wax replicas.
Mutant apes surface that were former pets of McGee and Suzi and seek revenge after being flushed.
The bottomdwellers travel through the interdimensional portal to an all-Sasquatch version of Camp Lakebottom.
Buttsquat and McGee get digitized into a classic 80's video game and take on the game's software guardian to escape.
A portal is discovered that takes the kids to a similar camp.
Gretch's parents visit the camp, but get scared of the monsters.
Squirt gets a case of the worms.
Rosebud takes charge of the camp and puts it on lockdown after her golden ladle goes missing.
McGee becomes a s'mores monster.
McGee uses anti-sweat cream, but it backfires and makes him sweat even more.
