9.00, Reaper, E4
Lucy Davis from The Office makes an appearance as a Brit who forms an unlikely alliance with Ben, and Andi finally finds out the truth about Sam’s moonlighting after she witnesses him wielding a scythe at a fertility clinic. I don’t know about you, but I’m not sure I’d be too keen to accept his ‘the Devil made me do it’ explanation…

10.00, The Big Bang Theory, E4
Leonard inadvertently wins an Ebay bid on a model of a time machine, so the geek gang split the cost and operate it on a time-share basis. Penny’s less than enamoured though, especially when it blocks her way and makes her late for work, and the fallout leads to a life-changing decision for Leonard.

10.35, Dexter, ITV1
SERIES FINALE With Debra in his clutches, the Ice Truck Killer forces Dexter’s hand, and he has to make the toughest decision of his life. The good news is that the second series should be on FX sometime in July.