TV Times tops picks for tonight

What’s on telly tonight? Here the TV Times team of expert reviewers highlight the three best shows on Wednesday 20th December

The Real Marigold on Tour, 9.00pm, BBC1

After Miriam Margolyes and co learned a thing or two about China last week, this week’s feisty seniors are off to Iceland to see what life is like there for the more mature celebrity. After touching down in the most sparsely populated country in Europe (population around 330,000), Dennis Taylor, Rustie Lee, Sheila Ferguson and Paul Nicholas head for the fishing village of Húsavík, where they go whale-watching, before setting off on a six-hour drive to the capital, Reykjavik. There, they swap the warm clothing for scanties and throw themselves into aqua aerobics and gymnastics, some more vigorously than others. Really making the most of the situation is Sheila, who goes on a date with a local – her very own Viking! Rating: ***

Judi Dench: My Passion for Trees, 8.00pm, BBC1

Wednesday 20th December Judi Dench: My Passion for Trees

“I think of trees as part of my extended family,” says Judi Dench who, for the past 30 years, has been nurturing her own woodland at her Surrey home. Over the course of a year, she sets out to learn as much as she can about trees, from their self-defence abilities to the way the forest uses fungi to communicate. Rating: ***

Peaky Blinders, 9.00pm, BBC2

Peaky Blinders new series Aunt Polly and co

A fine series ends in spectacular style this week and all eyes will be on Bonnie Gold as the young gypsy finally enters the ring. The boxing match makes an impressive opening set piece, but with so many plots coming to the boil – plus a fifth series in the pipeline – this finale poses as many questions as it answers. Either way, a showdown between Tommy and his nemesis Luca seems inevitable… Rating: *****

More previews tomorrow