The Flash: Sky 1, 8pm
Things get chilly in Central City when a diamond thief gets his hands on a deep-freeze gun, leaving the Flash with the task of thwarting him.
Prison Break's Wentworth Miller guest stars, while Emily Bett Rickards shows up as Arrow character Felicity Smoak.
The Missing: BBC One, 9pm
The case is thrown into disarray in 2006 when a key person is found murdered. Meanwhile, Tony is horrified as he begins to realise that someone close to him isn't the person he was claiming to be.
In the present day, Julien is intent on re-investigating the links between the dead witness and Oliver's disappearance. The stress of the case re-opening starts to take its toll on Emily and Mark's relationship.
What to Read Next
Elementary: Sky Living, 9pm
Season three of the US re-imagining of Sherlock Holmes continues.
In the latest episode, Sherlock's new apprentice Kitty lets jealousy get the better of her when Holmes and Watson investigate a double homicide.
The Leftovers: Sky Atlantic, 9pm
In the season finale of the drama series, Mapleton is plunged into chaos on Memorial Day as the Guilty Remnant makes a provocative move that devastates the community and sets the locals on a revenge mission.
As Kevin recalls the Departure and reflects on how it has affected his family, Tom finds himself in an unexpected situation.
