33/39 Francine's grandmother helps the kids understand Grandpa Dave's memory problems. (R)
8/10 Professor Brian Cox explains what the weather is like on other planets. (R)
Topical news magazine for children.
9/10 Naomi looks back at five of mankind's very worst phobias. (R)
2/16 Scooby and the gang investigate a witch who has returned to haunt Old Salem at Halloween. (R)
A mysterious penguin moves in with Wallace and Gromit, embroiling them in a heist. (R)
6/14 The gang heads to the eerie town of Banning Junction for Halloween. (R)
12/13 Aliens Zang and Zark review the amazing highs and lows the gang have had on the show. (R)
9/15 Featuring limestone formations made from old crustaceans. (R)
3/13 Hacker shares his unique take on aliens from galaxies far away. (R)
3/3 Everyone wants the brand new SerfBoard - and why not? What could be dangerous about it? (R)
2/20 When Meatlug eats magnetic rocks, she becomes magnetic herself. (R)
3/20 The kids go on a training mission on an island inhabited by wild dragons. (R)
4/20 When the town's well runs dry, Hiccup and Toothless investigate. (R)
5/20 Snotlout is concerned when his dragon's flame goes out. (R)
2/2 Sarah Jane has gone for good and a new regime begins at Bannerman Road! (R)
9/20 Three Earthtwerps from Edinburgh journey deep into space to take on Ludus. (R)
9/13 The Playful Grapes try bungee jumping in an attempt to avoid Clumsy Melonhead. (R)
19/104 The alien spore Eric is looking after might destroy the world. (R)
Faced with a momentous dilemma, Jody retreats into the fictional Wonderland. (R)
2/13 Templeton's attempt to blast into the cosmos backfires, causing an alien invasion. (R)
9/10 Dr Chris and Dr Xand learn about sunlight and the incredible Northern Lights.
6/20 Hiccup and Astrid try to stop a mysterious glowing dragon from reaching the village.
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Radzi faces a new challenge by abseiling down the Millennium Centre in Cardiff.
9/10 Ben and Al are in Florida to meet Randy, a man with an amazing moustache. (R)
22/26 The gang go under hypnosis to learn more about the ancient Annunaki race. (R)
27/40 While trying to retrieve his ball, Bitzer falls into a muddy pond. (R)
12/40 Intrigued by a horror film on television, Timmy wanders into the farmhouse late one night. (R)
2/26 Tracy boldly takes on her new enemy Justine in a game of dares. (R)