This week in TV sees a long-awaited Friends reunion, a Masked Singer spin-off, and two Great British challenges.
Great British Photography Challenge
BBC Four, 9pm
Icon of photography, Rankin, mentors six amateur photographers from around the UK in a four-part masterclass series.
Every week, Rankin will challenge the contestants to a range of themed tasks across the country without looking to eliminate any of them. All six will be nurtured until the very end, and only then will a winner will be chosen.
The first episode sees the photographers sent to Brighton beach for the first of the on-the-spot, camera phone challenges, before award-winning wildlife photographer Chris Packham judges their snaps of the New Forest.
Bake Off: The Professionals
Channel 4, 8pm
Expert bakers Benoit Blin and Cherish Finden begin another search for the UK's next best professional patisserie team.
As always, the series gets going with the heats, and the first challenge is to bake two miniature classics: Tarte Piémontaise and Jaffa Cake, before they are tasked with transforming an ordinary dessert into a fine-dining showpiece.
Former contestant Liam Charles and comedian Tom Allen return to host.
The Beast Must Die
BritBox branches out into scripted drama for the first time with a new thriller starring Cush Jumbo (The Good Fight) and Jared Harris (Chernobyl).
As Frances (Jumbo) seeks revenge for her son, who was killed in a hit-and-run, the troubled yet talented Detective Strangeways (Billy Howle) takes over the case to work towards legal retribution.
When Frances comes across a man she believes is responsible, she begins to infiltrate his life.
Watch an exclusive behind the scenes featurette of The Beast Must Die and Q&A with the creators here.
Breeders series two
Sky One, 10pm
Martin Freeman and Daisy Haggard return as despairing parents Paul and Ally in a sitcom partially based on the former’s own fatherhood.
Already beleaguered by their two kids, Luke (George Wakeman) and Ava (Jayda Eyles), when Ally’s estranged father, Michael (Michael McKean), turned up on their doorstep in series one, he only compounded the misery.
Series two re-joins the family a few years on from the first. The kids are older, but the parenting is no easier. Broken curfews will disrupt their sleep as much as the bedtime refusals.
Friends: The Reunion
Sky One, 8pm
The cast of Friends finally reunite for a one-off special retrospective hosted by James Corden.
Jennifer Aniston, Courteney Cox, Matt LeBlanc, Lisa Kudrow and David Schwimmer will all head back to Stage 42, the original soundstage at Warner Bros. studios, for a look back at the ten series-long, sitcom phenomenon.
Celebrity fans including David Beckham, Justin Bieber, Lady Gaga and Reece Witherspoon, will also be paying homage.
The Masked Dancer
The Masked Singer gets the spin-off treatment with new series The Masked Dancer. More masks, same judges, but they now have to guess the face from the moves.
Joel Dommett will host the proceedings, with Jonathan Ross, Davina McCall, Mo Gilligan returning to panel duty alongside Strictly Come Dancing pro Oti Mabuse. While 12 contestants, including Beetroot, Carwash and Beagle, will compete through seven episodes.