Pete Doherty. Louis Theroux meets controversial rockstar Pete Doherty, spending time with him at his home in Normandy and on the road with his notorious band, The Libertines. 2/6.

Trials and Tributaries. As the warm season continues, Alaskans contend with the annual environmental changes that shift the daily struggles and rewards of their environment. 15/19. The brutal Alaskan winter dominates life for the hardy characters in this awe-inspiring series.

Series 30, Episode 17. Graham Norton presents a lively chat show featuring Salma Hayek Pinault, Julianne Moore, Shania Twain, Johannes Radebe, Lizzo and Tom Grennan. 17/21. Graham Norton introduces another instalment of his trademark mix of cheeky celebrity chat and live music performances.Lue juttu

Series 2, Episode 17. Teams of contestants compete for cash by crossing a bridge made up of stepping stones across the studio floor. 17/25. Teams of contestants compete for cash by crossing a bridge made up of stepping stones across the studio floor.

Naked Truth. Sandi Toksvig looks at the naked truth with Richard Osman, Lolly Adefope, Lee Mack and Alan Davies. 7/16. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

Non Sequiturs. Sandi Toksvig looks at some non sequiturs with Miles Jupp, Deirdre O'Kane, Phill Jupitus and Alan Davies. 8/16. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

The New Wild. Mammals have mastered every environment on Earth, but today the planet is changing faster than ever. Mammals must change with it to have a chance of survival in this, the new wild. 2/6. Sir David Attenborough reveals the world of mammals, uncovering the secrets of their success, from the tiny, terrestrial Etruscan shrew to the biggest of them all, the blue whale.