Eurovision Song Contest Semi-Final: BBC Three, 8pm
Join Scott Mills and Mel Giedroyc live from Vienna for the first semi final of the Eurovision Song Contest.
With only 10 remaining places left in Saturday's grand final, contestants from 16 different countries battle for a place in final and the opportunity to succeed reigning champion Conchita as winner of the 60th Eurovision Song Contest.
Empire: E4, 9pm
Naomi Campbell guest stars as Camilla Marks in the latest instalment of the hit US music industry drama.
Sneaky Lucious (Terrence Howard) tries to sign up a singer from a rival record label, and Cookie (Taraji P Henson) becomes Tiana's (Serayah) new manager.
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Critical: Sky1, 9pm
Tonight's series one finale of the British medical drama sees Glen involved in a life or death emergency after finding out about Fiona's engagement.
The final episode of the series promises not to disappoint, with the regular fast packed action set inside a state-of-the-art Major Trauma Centre.
Penny Dreadful: Sky Atlantic, 10pm
Series two of the gothic supernatural thriller continues with a flashback episode, as Vanessa (Eva Green) meets the Cut-Wife (Olivier and Tony Award winner Patti LuPone).
Vanessa is taught how to harness her powers and is warned by the Cut-Wife of the dangers that lie ahead in the future for her.
