Impossible Celebrities is on BBC One at 7pm.

A star-studded version of the daily quiz show, presented by Rick Edwards. Contestants include Debbie McGee, Tanni Grey-Thompson, Russell Kane and Gregg Wallace.

Casualty is on BBC One at 8.40pm.

The staff struggle to cope with the fall-out from last week’s tragedy, while Dylan is reunited with Ciara, who is struggling to control her alcoholism.

Fixing a Hole, Saving Planet Earth is on Channel Four at 8pm.

This one-off documentary in which Scientists tell the story of the hole in the ozone layer, the first human-made threat to the planet’s environment.

Blind Date is on Channel 5 at 8pm.

In the last episode of the series. Paul O’Grady meets a contestant who has brought his pet dog into the studio, to help him choose between three women.

Cardinal, Blackfly Season is on BBC Four at 9pm.

The concluding two episodes of the Canadian drama. Delorme and Cardinal suspect there’s a link between a fresh crime scene, and the murder at the cave.

Football, Chelsea versus Arsenal is on BT Sport One at 5pm.

Coverage of this all-London Premier League match from Stamford Bridge. Kick-off is at 5.30pm.