It's very hot outside. Even ice cream and lemonade don't help. Everyone needs to cool down. Leo thinks they should switch their rollercoasters to water coasters. What a brilliant idea. Skoop digs a ditch for the pool. The robots take their seats: they're going first. They need to remember to strap themselves in, though. Leo, Skoop and Lea go next. Lifty's a little scared, but he wants to have a go too. The friends splash through the pool. They're not hot anymore.