TV Guide CBBC Monday

The Professor's young visitor - competition winner Dawn Crumhorn - becomes a pink-obsessed child-villain after suffering an accident in the lab. Animation, with the voices of Alexander Armstrong and Kevin Eldon

Everybody gets jealous when Boy bakes amazing cookies that he only shares with his new pen pal, Gretchen. They band together and pretend to be Gretchen, writing letters to Boy and asking him to send more cookies, which they then intercept and eat for themselves. However, when Boy asks to meet Gretchen in person, Girl, Dog, Cat, Mouse and Cheese come up with a plan to impersonate her and steal Boy's cookie recipe once and for all

Irene offers to help Ron with his band playing that afternoon, forgetting she has to take an important music exam. Meanwhile, Felicity and June find clues to the missing time capsule.

When Girl's football skills catch the attention of a little girl named Bella, she declares herself Girl's number one fan. Unfortunately for Girl, having a fan is more work than she thought!

The famous great dane and his intrepid companions Shaggy, Velma, Daphne and Fred continue to stumble upon creature-related comedy mysteries. Staying true to the classic elements that have made Scooby-Doo one of the best-loved characters for more than 30 years, these adventures turn up the suspense and humour. In this episode, the gang must stop a shape-shifting alien before Nasa's shuttle mission is aborted.