Dave Lamb and Rattus Rattus have got some famous faces in for a special celebrity edition of the historical game show in which contestants take on disgusting challenges. Show more

Katie Derham presents an analysis and performance of Malcolm Arnold’s score for the film, The Bridge on the River Kwai. Christopher Seaman conducts the BBC Concert Orchestra. Show more

Comedy drama featuring a Grandpa with a magical Shrinking Cap. Miss Smiley takes Jason and spoilt boy next door Troy to Mr Whoops' toy shop to buy a treat. Show more

Comedy drama featuring a grandpa with a magical shrinking cap. Accident-prone Mr Whoops looks after the cafe while Miss Smiley is away. Grandpa helps out. Show more

Comedy drama featuring a grandpa with a magical shrinking cap. Mum is looking after a friend's baby and Grandpa accidentally wakes him up. Show more

Youngsters explore nature with May the park keeper. May is surprised by her friend Joe who looked after Big City Park before her. Show more

Outdoors series for young children. It is May's first day in Big City Park: she is the new park keeper. She meets Ruairi, Billy and Dara and spends time with them. Show more

May the park keeper and her friends welcome young explorers to their park. May, Ruairi and Billy have fun singing. Dara joins them but she thinks she can't sing. Show more

May the park keeper and her friends welcome young explorers to their park. It's the hottest of days in Big City Park and Ruairi, Billy, Dara and May are feeling it. Show more

May the park keeper and her friends welcome young explorers to their park. Ruairi tells Billy about his time as a ship's captain, and Billy is keen to be one too. Show more

May the park keeper and her friends welcome young explorers to their park. Billy challenges Dara to a race and learns about different ways to exercise. Show more

Monty Don helps people transform their gardens. Tariq and Sairah are used to winning at work but when it comes to gardening, they don't know where to begin. Show more

Preschool puppet show. When Elmo sees some amazing things out of the window from his top bunk bed, Phoebe gets jealous and wants to swap bunks. Show more

Preschool puppet show. The Furchesters surprise Elmo and arrange for Big Bird to come and visit. However, they hadn't realised just how big Big Bird is. Show more

Preschool puppet show. A group of very cheery cheerleaders check into the Furchester Hotel, but their cheering upsets the other guests. Show more

Preschool puppet show. Big Bird and the Count visit Elmo for Christmas but worry that Santa won't know to deliver their presents there. Show more

Preschool puppet show. It's Halloween and Elmo and Phoebe are going trick or treating around the hotel dressed as a two-headed monster. Show more

Tom Service presents an analysis of Finnish composer Kaija Saariaho's Graal Théâtre followed by a performance of the work by the BBC Philharmonic Orchestra conducted by Ludovic Morlot. Show more

With distinctive wit and flair, Mary Beard takes a personal view of the nude in western art and its troubling power to provoke ideas about gender, sex and moral transgression. Show more

Preschool puppet show. Elmo is practising for the world hide-and-seek championships at the hotel. But Seeky Suki, the world's best seeker, will also be taking part. Show more