Sky Showcase Friday

Part one of two. The naturalist explores the evolution of vertebrates, beginning with a look at how primitive fish made the move on to land and the subsequent advent of flight

The naturalist concludes his two-part exploration of the evolution of vertebrates over the past 500 million years, looking at how mammals came to dominate the natural world

Documentary following David Attenborough as he travels around the world to make his series First Life, which explores the origins of life on Earth

Lisa enters a singing competition on the Krusty the Clown Show, but Homer's competitive streak threatens to ruin her performance

Homer fears the end of the world is imminent, and urges the people of Springfield to join him in preparing to meet their maker - but his dire predictions prove wildly inaccurate

Stars Daniel Radcliffe, Rupert Grint and Emma Watson, director Chris Columbus and other cast members celebrate 20 years since the franchise's first film

Unassuming hobbit Bilbo Baggins is recruited to join a band of dwarves on a quest to reclaim their lost homeland. Fantasy adventure, with Martin Freeman and Ian McKellen

The party of dwarves and their hobbit ally face the dragon that stole their homeland. Part two of the fantasy adventure trilogy, starring Martin Freeman and Ian McKellen

Dwarf king Thorin descends into madness as his homeland stands on the brink of war. Conclusion of the fantasy adventure trilogy, with Martin Freeman

A profile of the actor and comedian, who rose to fame on Saturday Night Live before becoming a film star in the 1980s, but whose career declined amid reports of difficult behaviour

A performance recorded at the 3Arena in the Irish capital in which the comedian marks 25 years since he first stepped onto the stage with a show celebrating his career

Documentary following the magician on tour around the globe as well as charting his road to recovery from a career-threatening illness brought on by Crohn's disease

The magician faces difficulties as his medication starts to take hold, while his magic culminates in an incredible stunt with a sports car

The magician tests out a new medicine to help him escape the isolation caused by his illness, while an encounter in Mexico might prove to be a step too far

Rob Beckett and Romesh Ranganathan meet professionals including Luke Littler as they prepare to play a match at Alexandra Palace during the PDC World Darts Championship

A look back at the stand-out movies of the 1980s, from coming-of-age classics to blockbusters

Alison receives footage of a pet Tamarin monkey in need of a home, Bruce the loris gets a check-up and golden-cheeked gibbons Kim and Tien get cosy