Britain’s Got Talent is on ITV at 8pm.

The judging panel are back as hopeful variety acts compete to impress in tonight’s opening audition.

The Grand National is on ITV at 4.35pm.

Coverage of the world’s most famous steeplechase from Aintree. The race is due to start at 5.15pm.

Ninja Warrior is on ITV at 6.30pm.

A fresh batch of brave contestants take part in the return of the obstacle-course challenge.

Harry Hill’s Alien Fun Capsule is on ITV at 7.30pm.

Guests Micky Flanagan, Robert Peston, Sally Dynevor and Anneka Rice take part in the comedian’s gameshow.

Casualty is on BBC1 at 8.35pm.

Bea treats a shopkeeper who has collapsed during a robbery, while Ethan provides treatment for Leigh-Anne’s sick baby.

The Keith and Paddy Picture Show is on ITV at 9.25pm.

Comedians Keith Lemon and Paddy McGuinness take part in more movie parodies, beginning with a remake hit musical Grease. Nicole Scherzinger and Emma Willis also take part.

Tottenham Hotspur versus Manchester City is on Sky Sports Main Event at 7.30pm.

Coverage of this evening’s top-flight match from Wembley Stadium. Kick-off is at 7.30pm.