TV tonight: 50 Cent's boxing crime drama Fightland premieres on Sky Atlantic

Sky Atlantic airs the premiere of Fightland at 9pm tonight, a big and bloody drama set in the world of boxing and organised crime, executive-produced by Curtis "50 Cent" Jackson. Howard Charles stars as champion boxer Duke Kilroy, who seeks revenge after his brother's murder, while Nicholas Pinnock plays crime boss Kingsley Marshall.

Also on tonight

At 8pm on BBC One, another episode of Dragons' Den brings entrepreneurs seeking investment, including a couple pitching an expensive water-saving device, a health food founder who has already received a grant from Sainsbury's, and a street art business that has gone viral.

BBC Two's The Big Deal with Steph McGovern, also at 8pm, moves its art-dealing competition to Margate, where the five remaining pairs try to sell limited-edition prints to the public.

At 9pm on BBC Two, David Olusoga's A House Through Time reaches the 20th century, showing how a house on Calton Hill in Edinburgh became overcrowded multiple-occupancy housing, alongside details about dangerous prison work of the era.

BBC One's Ludwig continues at 9pm, with David Mitchell's character investigating a murder at a wedding, complicated by the fact that every guest witnessed the victim.

And at 9pm on U&Dave, crime thriller Hit Point continues following compromised detective Leo, who fakes investigating crimes he is actually involved in.