Ann Cleeves adaptation Shetland returns for a sixth season to BBC One tonight, with Douglas Henshall in the lead role.
Over on ITV, suburban thriller Hollington Drive reaches its final episode as truths about what happened to Alex are revealed.
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I'm A Celebrity's best pals Beverley Callard and Jordan North are reunited for a trip to Spain in ITV's Beverley and Jordan: Destination Wedding.
We revisit one of the most shocking moments in recent US history in BBC Two's Four Hours at the Capitol, while Tinie Tempah turns property pro in Channel 4's Extraordinary Extensions.
The best things to watch on TV on Wednesday, 20 October, 2021
Shetland - BBC One - 9pm
Ann Cleeves is the author behind a number of detective drama TV adaptations, including Vera and the forthcoming The Long Call, and tonight her BBC series Shetland returns.
Douglas Henshall is back in the lead role as the detective serving remote corners of the island, although in the opening episode he also has family dramas of his own to contend with.
This sixth season was filmed back-to-back with a seventh, so expect more picturesque crime episodes on the horizon.
Beverley and Jordan: Destination Wedding - ITV - 8pm
Beverley Callard and Jordan North became unlikely BFFs when they met on last year's I'm A Celebrity.
Now, Corrie legend Callard has decided to renew her wedding vows to the infamous Jon and plans to do so in Spain, taking North along to help her scope out the plans.
In tonight's episode they head to northern Spain to choose the best wine for toasting the happy couple.
Four Hours at the Capitol - BBC Two - 9pm
Earlier this year, the Capitol saw unprecedented scenes as a group of Donald Trump supporters stormed the building in Washington DC in the hope of overturning the presidential election result.
Over four terrifying hours, they burst through security barriers and even fired shots as the guards struggled to regain control.
The documentary shows never-before-seen footage and features interviews with those caught up in the attack.
Hollington Drive - ITV - 9pm
It's the final episode of Hollington Drive this week and viewers will be hoping for a satisfying ending to the thriller.
Will the truth of what happened to Alex finally be uncovered - and what will it mean for the family?
Starring Anna Maxwell Martin and Rachael Stirling.
Extraordinary Extensions - Channel 4 - 9pm
Channel 4 might have no shortage of property shows, but tonight's new series has a different spin as it's fronted by Tinie Tempah.
The rapper has pivoted into being a property developer, and here he looks at home extensions that are anything but bog standard, creating amazing places to live.
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