Amy Winehouse: Back to Black at 20

9.35pm, BBC Two

A fitting tribute to the late star’s breakout album 20 years after its release, this special concert was held at the Roundhouse in north London earlier this week. It’s led by a team close to Winehouse’s music, including the album’s producers Mark Ronson and Salaam Remi, and features the Amy Winehouse Band playing all the hits including Valerie and Rehab. Special guests include Corinne Bailey Rae, Flo, Jessie Reyez and Jorja Smith. Hollie Richardson

Strictly Come Dancing

6.30pm, BBC One

We’ve already had a few themed weeks in this year’s competition, but now it’s back to basics. Lacey and Vito will be doing the tango to a Blondie banger; Cach and Maddie will take on a cha cha to Måneskin; and it’s time to jive with Lawrence and Jowita. HR

Secrets of the Viking Ship With Bettany Hughes

8pm, Channel 4

In 2008, the remains of a boatload of Vikings were discovered on an Estonian island.…