THURSDAY

Kat & Alfie: Redwater

8PM, BBC1

In the final episode, Kat discovers Dermott’s dark secret – but she has an even bigger concern when Alfie is left fighting for his life.

Gardeners’ World

8PM, BBC2

Moved to a Thursday to make way for Glastonbury, this week’s episode sees Monty Don adding a touch of the exotic to Longmeadow, and Flo Headlam visiting a peaceful church garden in south London.

DIY SOS: The Big Build

9PM, BBC1

There won’t be a dry eye in the house as Nick Knowles and the team enable 12-year-old Matthew to return home from hospital for the first time in three years, after suffering cancer.

Killer Women With Piers Morgan

9PM, ITV

Piers heads off to America for a second series of chilling interviews with five more of America’s most notorious female killers. First up is Rebecca Fenton, who is serving a life sentence for the brutal murder of her husband.