Tuesday, May 21
MasterChef: BBC One, 8pm
The penultimate challenge sees the four finalists cook under Michel Roux Jr at Le Gavroche, before John and Gregg select the final three
Emmerdale: ITV1, 7.30pm
Mandy's confused by Ella's behaviour, while Ruby and Caleb seek justice for Nicky
Imposter: The Man Who Came Back From The Dead: Channel 4, 10pm
The story gets even weirder as we hear from Nicholas Rossi's stepdad, an Engelbert Humperdinck impersonator