5/25 Bendy Go and Dar Dar win two tickets to see the new Super Numtum film. (R)
20/25 Nina investigates how computers work - with the help of Luke and Felix. (R)
Andy travels back 65 million years to North America in the time of Tyrannosaurus rex.
15/25 Grandad Billy shares his memories of being a lighthouse keeper with his grandson, David. (R)