S3·E5 Monster Mania!

After Melissa snaps a blurry photo of a creature swimming in Evergreen Lake, unruly mobs of monster watchers descend on the Evergreen Forest. When Bert traps the monster it takes him on a hair raising race across the lake that ends in a spectacular crash. Everyone learns the difference between fact and fiction when the monster is revealed to be yet another Cyril Sneer tourist trap.