Only Connect: BBC Four, 8.30pm
Victoria Coren Mitchell returns to host the ninth series of the fiendishly difficult puzzle game, which sees teams attempt to make connections between seemingly random clues. If you fancy working out what connects "has been dumped", "visits sex worker", "witnessed miracles" and "American lavatory", then this is the show for you.
Undeniable: ITV, 9pm
In last week's episode, Jane claimed to recognise her mother's killer thirty years after the crime. The accused is a respected doctor with an alibi and admired reputation, and while there were inaccuracies in both witness statements, Dr Rawlins' DNA sample seemed to rule him out beyond any doubt.
In the second and final episode, Jane sets out to prove his guilt at all costs, and becomes increasingly isolated and extreme, which causes the police to intervene.
Game of Thrones: Sky Atlantic, 9pm
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King Joffrey prepares for his wedding with Margaery Tyrell amidst family manoeuvring and comments about a wedding breakfast that wouldn't be out of place in a soap opera. With shadows of the Red Wedding still looming large, this ceremony has its own shocking turn of events.
Elsewhere in King's Landing, Tyrion Lannister offers his assistance to Jamie. Meanwhile, Stannis loses patience with Davos at Dragonstone, and things do not look good for Theon when Ramsay Snow finds a use for him.
Made in Chelsea: E4, 10pm
The cameras once again reveal the lives and loves of the young London socialites. Alex declares his love for Binky and wins her around by denying his rumoured infidelities - but the gossip will not go away.
Elsewhere, Spencer and Jamie's night out is abruptly interrupted by model Emma Miller, an old infatuation of Spencer's. Meanwhile, Emily has to cope with her relationship with her father, and Louise plans to host a singles' dinner party in Chelsea, but the guest list is full of old flames.
