Law & Order UK: ITV, 9pm
Ronnie and Joe have to deal with the fatal stabbing of a young mother in tonight's series eight finale. The attack takes place just after a senior police officer's pledge to crack down on knife crime.
Meanwhile, being the only witness to a confession, Ronnie's future in the force is up in the air, after his integrity and honesty is questioned at every turn.
I Wanna Marry 'Harry': ITV2, 9pm
The US reality show continues tonight, as all the girls get the chance to throw their best shapes at a pool party attended by the fake Prince.
Meanwhile, promotional model Kimberley has her date with 'Sir' ruined by the ever-intrusive paparazzi.
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24: Live Another Day: Sky 1, 9pm
Jack is hot on the heels of the wounded Simone in tonight's episode, while her mum Margot sinks to new depths to protect her secrets.
Meanwhile, as Prime Minister Davies and President Heller's relationship deteriorates, the President makes a momentous desicion.
Orphan Black: BBC Three, 10pm
Tonight's episode of the Canadian sci-fi show sees a companion of Alison's threaten to reveal the truth about Aynsley's death.
Elsewhere, it's all clones at the ready to control the resulting fallout, as Donnie and the kids get set to make their arrival.
