The Curious Cases Of Rutherford & Fry

Radio 4, 4pm

Adam Rutherford and Hannah Fry (right) begin a new series by answering a listener's query about guide dogs, looking at why canines are so suited to this important job – and how they know where they are going.

The Cullen Brothers' Drama: The Attendant (Radio 4, 2.15pm) tells the offbeat love story between a lonely night-shift worker at an isolated petrol station and a free-spirited cyclist.

Evelyn Mok and Ken Cheng are among the stars of Drop The Dead Panda (Radio 4, 11pm), an East Asianthemed sketch show which features a Chinese take on Kitchen Nightmares.