BBC Four Thursday

Dr Helen Czerski presents this documentary revealing the inner workings of natural wonders, beginning with an avalanche, including eyewitness footage from within one

Archaeologist Ben Robinson explores the history of the Northumberland village of Warkworth, discovering clues that point back almost 1,000 years to the Norman conquest

Cellmates Fletcher and Godber are forced into aiding an escape attempt and then have to break back in. Comedy spin-off from the TV series, with Ronnie Barker and Richard Beckinsale

A washed-up professor is given the inspiration to finish his latest novel by a student who shows him a new perspective on life. Drama, starring Michael Douglas and Tobey Maguire.

Terry Wogan is joined by actor and theatre producer Tom Hulce, singer and guitarist Glen Campbell, fashion designer Jean Muir and actor and film producer Michael Douglas

The Australian soprano talks to Bernard Levin and sings scenes from some of her most celebrated roles. First broadcast in 1973

The famous Australian opera singer in performance from Scotland. Introduced and accompanied by Gerald Moore. Presented by Alan Rees

Dr Helen Czerski presents this documentary revealing the inner workings of natural wonders, beginning with an avalanche, including eyewitness footage from within one

Archaeologist Ben Robinson explores the history of the Northumberland village of Warkworth, discovering clues that point back almost 1,000 years to the Norman conquest

Dallas Campbell and Liz Bonnin join Dr Sarah Parcak on a journey to Egypt to find out whether cities, temples and pyramids are lying beneath the sands