McGee, Gretchen and Squirt arrive at Camp Lakebottom to find themselves held captive by a hungry zombie, a raging Sasquatch and a ruthless chef.

The campers have a tought start to the day. Sunny Smiles and Lakebottom compete in a race. A craft competition is held. Everyone goes surfing. The mountain climbing ends in disaster.

When Squirt's stinky underwear is washed in toxic cleanser, the Glitch comes alive and leads the rest of the laundry on a campaign of terror.

A huge, evil leech attaches itself to Squirt's skull and turns him into Evil Squirt, a super-genius bent on world domination.

An alert about a giant raging fish is issued, causing Sawyer to close up the beach. But McGee is determined to get rid of Old Toothy.

Squirt brings home a baby monster spider.