There's a look back at how the border affected people in Ireland, Tattoo Fixers is back, Blue Planet Live continues, and Deutschland '83 comes to an end . . .
Pick of the Day
Border Country: When Ireland was Divided, 10.35pm, BBC One
This looks interesting – and especially topical given the strong possibility of a hard border in a post-Brexit environment.
This documentary goes through 100 years of archival footage, along with the stories of people whose lives have been affected by the border between the UK-remaining six counties and the rest of Ireland.
New or Returning Shows
Tattoo Fixers; Extreme, 9.00pm, E4
Back for a sixth season, the fixers continue to tackle the rudest, crudest and most shocking sins of the skin.
This week, Sketch banishes David's boob blunder, Uzzi takes on Mike's extreme inking, Pash tackles Melina's below-the-belt tatt, while Alice helps unlucky-in-love Jade be less of a mug.
Meanwhile, Uzzi gets Ricky out of a sticky situation, while Sketch is helping Marcio and Andreia remember their baby son Logan, who they lost following the Grenfell Tower tragedy.
Deutschland '86, 11.20pm, RTÉ 2
The powerful Amazon Prime drama set in the last years of a divided Germany concludes as Lenora is demoted after the cruise ship plan is uncovered.
Meanwhile, Alex organizes an AIDS awareness demonstration Martin makes the fateful decision between two lives and two women.
Blue Planet Live, 8.00pm, BBC One
In a race to find out what great pressures confront life in the ocean, the team continues its mission across the planet to investigate the extensive and significant effect human impact has had on our fragile marine ecosystem.
As the sun rises over the Great Barrier Reef, Liz Bonnin joins scientists live to find out how temperature rises are impacting the reef, and how plastic is putting the future of the planet’s turtles at risk. In a dramatic manoeuvre to capture coral spawning, we follow an ambitious attempt to restore the reef through IVF.
Fifteen thousand miles away, during a live dive, Steve Backshall explores an eerie Caribbean wreck in the Bahamas in search of a super-sized fish that is upsetting the natural order in the sharks' home waters.