"Splat's friends are having a rehearsal for their cool new band, the Cat Gang. But something's missing...it just doesn't feel right without Splat! Everyone wants Splat to join the band. But Splat can't sing and he doesn't play an instrument! What can he do that is perfect for the Cat Gang?"--Dust jacket.

Splat is thrilled when he finds out that Seymour's brother is coming to visit.

School's out, and Splat can't wait to visit the waterpark, but first he needs make some money-selling lemonade! Splat opens a lemonade stand to make enough money to buy a ticket to the Super Jump Water Park. But when Spike opens another lemonade stand right across the street, Splat is in for some friendly competition. He's going to have to think fast to beat his rival!