Samuel L Jackson Graham Norton and Keira Knightley during the filming of the Graham Norton Show at the London Studios, south London, to be aired on BBC One on Friday evening. PRESS ASSOCIATION Photo. Picture date: Thursday June 12, 2014. Photo credit should read: Ian West/PA Wire

• Sarah 101, The Home Channel, 18.30

Adding warmth to a large bedroom in an industrial-type space, Sarah and Tommy soften things with an Oriental rug and high-style low-cost drapery for large windows. Keepsake artwork adds soul and helps to convey masculine and feminine appeal.

• Diabolical, Investigation Discovery, 19.00

Dr Michelle Ward is ready to get inside the minds of killers. From her early doctorate research interviewing serial murderers, to her continuing study of criminal behaviour, Ward interviews killers to find out what drove them to commit the ultimate crime. She uses her academic expertise to develop a better understanding of the motives for murder and looks at how we can prevent such crimes from occurring in the future.

• Greatest Mysteries, Travel Channel, 20.00

Don Wildman looks at mysteries associated with some of the world’s most well-known buildings. Beginning at The Smithsonian Institution, Don discovers the scandalous origins of a garment that rocked the world of fashion: the bikini. He examines the fortress-like exterior of Buckingham Palace and learns how an intruder pulled off one of the biggest royal security breaches. Fascinating facts about the Vatican and the Louvre are also revealed.

• The Graham Norton Show, BBC Entertainment, 21.35

Samuel L Jackson confirms he is not in the next Star Wars movie, Keira Knightley says she is a bit of a scruff, Jenson Button reveals why he’s not appearing on the sofa this week and Kasabian perform.