Milo, Lofty and Lark take over from Heidi as Marine Biologist. When they cause a little fish to get lost, they need to help it find it's family.

When Milo, Lofty and Lark take over Dave's Road Rescue Service, they find themselves very busy helping the motorists of Milotown.

Milo, Lofty and Lark are district nurses and get on their bike to look after the residents of Milotown. But they fail to listen to their patients as well as they should.