Splashing good fun with Justin and his friends as they visit a water park. Meanwhile, Mr Tumble makes the best of a spot of wet weather - but all is not what it seems...
Discover 11,128,835 listings and 279,851 playable programmes from the BBC
Splashing good fun with Justin and his friends as they visit a water park. Meanwhile, Mr Tumble makes the best of a spot of wet weather - but all is not what it seems...