Carys Eleri – Lovecraft (Not The Sex Shop In Cardiff)

Radio 4, 7.15pm

The all-round entertainer (right) returns to the airwaves in a musical stand-up special which fuses rats, songs and science while exploring the theory of loneliness and the importance of community.

In Sunday Feature: Here Be Mermaids (Radio 3, 7.15pm) New Generation Thinker Hetta Howes investigates our ongoing fascination with the mysterious sea-dwellers.

The Overtones and nurse Anthea Allen, whose weekly newsletter proved to be a tonic to many during the pandemic, chat to the host of The Michael Ball Show (Radio 2, 11am).