Part 1: David Tennant and Davina McCall/Harry Hill/the Saturdays/Ronnie Corbett/Let's Dance for Comic Relief

Cornelia Gray a CIA spy, is coming in from the cold after 20 years in hiding, dodging the government agents who suspected her of being a traitor.

Godfather of Harlem reimagines the story of infamous crime boss Bumpy Johnson, who in the early 1960s returned from a decade in prison to find the neighborhood he once ruled in shambles.

Daddy Issues follows Gemma, who lives for the weekend when she can get blasted and party hard in Stockport, Manchester. But after joining the mile high club with a random hook-up on her way back from a holiday to Portugal, she's pregnant, and it couldn't come at a worse time.

The only person Gemma has left in her life is her dad Malcolm, who is kind hearted but useless – he can't load a washing machine, boil an egg or change the Wi-Fi password. Malcolm is suffering from the collapse of his family and living in a bedsit for divorced men.

Which is how Gemma and her dad end up living in Gemma's flat. She needs support at a critical time in a woman's life, he needs help microwaving rice without it exploding.

Spartacus: House of Ashur poses the question: What if Ashur hadn't died on Mount Vesuvius at the end of Spartacus: Vengeance? And what if he had been gifted the gladiator school once owned by Batiatus in return for aiding the Romans in killing Spartacus and ending the slave rebellion?

48 Hours is a CBS news magazine that investigates intriguing crime and justice cases that touch on all aspects of the human experience. Over its long run, the show has helped exonerate wrongly convicted people, driven the reopening -- and resolution -- of cold cases, and changed numerous lives. CBS News correspondents offer an in-depth look into each story, with the emphasis on solving the mystery at its heart. The program and its team have earned critical acclaim, including 20 Emmys and three Peabody Awards.