The Apprentice is on BBC One at 9pm.

The six remaining candidates are challenged to produce a new chocolate range, which must feature three unique flavours.

Death and Nightingales is on BBC Two at 9pm.

Second episode of the period drama. Beth decides to tell Mercy that she is leaving Fermanagh, as she puts her plan to run away into action.

World’s Weirdest Homes is on Channel Four at 9pm.

One-off edition of the architecture series. Charlie Luxton meets a billionaire internet celebrity with his own zoo.

North Korea, Life Inside the Secret State is on Channel Four at 10pm.

One-of documentary in which citizens of North Korea reveal what it is like to live in the secretive country.

HMS Belfast, World War Two’s Great Survivor is on Channel Five at 9pm.

Engineer Rob Bell investigates the history of HMS Belfast, which is permanently moored in the Thames in London.

The Marvelous Mrs Maise is available on Amazon Prime from today.

The second series of this 1950s-set comedy drama, which stars Rachel Brosnahan. The aspiring comedian comes under pressure to be honest with her family.