Sky Showcase Tuesday

The Mackenzie Delta is the second largest in North America. Here, strange and mysterious landforms tell a story of an ever-changing Arctic

Homer goes undercover to win the trust of Fat Tony as part of an FBI operation to bring the mobster down. With the voice of Jon Hamm (Mad Men)

Tensions at Springfield Elementary spill over during a dodgeball game, and Marge gets back in touch with three friends she fell out with years ago

Moe achieves massive success when he turns his tavern into a gay bar, while Principal Skinner falls for a new teacher. Guest starring Kristen Wiig and Alyson Hannigan

Homer becomes obsessed with a father-son relationship in a 1980s sitcom, and uses it to help curb Bart's hankering for a must-have mini-bike

Following his visit to the Great Barrier Reef in 1957, the broadcaster returns and uses the latest filming techniques to unlock the secrets of the natural wonder

Using the latest technology, the naturalist explores the shark-infested waters of Osprey Reef, before tracking dwarf minke whales to discover their reasons for returning

The naturalist examines what the future holds for the natural wonder, before embarking on an ambitious attempt to dive further into the reef than ever before

An Amazon princess leaves her isolated island during the First World War, aiming to bring the conflict to an end. Fantasy adventure, starring Gal Gadot and Chris Pine

Archaeologist Indiana Jones tries to locate the Ark of the Covenant before the Nazis get their hands on it. Steven Spielberg's action adventure, with Harrison Ford and Karen Allen

The intrepid archaeologist travels to India, where he battles to retrieve sacred stones in the possession of an evil cult. Action adventure, starring Harrison Ford and Kate Capshaw

The intrepid archaeologist sets out to find his father, who has gone missing while searching for the Holy Grail. Action adventure sequel, starring Harrison Ford and Sean Connery

The duo prepare to perform in Romeo and Juliet at Shakespeare's Globe, with advice from the theatre's artistic director Michelle Terry, and actors Jessie Buckley and Martin Freeman

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 stand-up special by the comedian in which he explores his love-hate relationship with performing by relinquishing control of his set and accepting a healthy dose of heckling

The last-ever edition of the show sees Laura Kenny, Big Zuu and Tony Bellew join host Romesh Ranganathan and Jamie Redknapp, Jill Scott and Micah Richards

The Gibb brothers perform their greatest hits at the MGM Grand in Las Vegas in 1997, and are joined by Celine Dion on the song Immortality

Dorset's Monkey World Ape Rescue Centre continues to save countless primates from lives of cruelty, abuse and neglect. Series premiere.