The Bean Scouts realize that Lumpus tricked them for digging a bowling alley for himself.
Bowling for Dinosaurs is the episode 30b of the middle season.
Plot
Lumpus tricks Lazlo and the Bean Scouts into digging an area to find dinosaur bones to make a bowling alley for himself.
Notes
Look Hard: Notice whenever Scoutmaster Lumpus throws the ball, he throws it left-handed, so that makes him a left-hander.
Credits: Lumpus is bowling, but he is thowing the ball at his house and recking it.
We learn that Scoutmaster Lumpus used to be a professional bowler.