Sunday 21 September 2025 – UK TV Guide: What's on TV today?
21.09.2025 03:00 • News
This Sunday evening, viewers are greeted with a varied selection of television that captures a broad spectrum of human experiences, from the intricacies of relationships to the stark realities of survival. BBC One's 'King & Conqueror' delves into the epic struggles of historical figures, bringing with it a sense of grandeur and tension that will keep history buffs riveted. Meanwhile, 'Coldwater' on ITV 1 offers a more contemporary narrative, exploring the chilling depths of human emotion set against the backdrop of a remote community grappling with secrets of the past.
On the lighter side, 'Rob and Rylan's Passage to India' on BBC Two promises moments of levity and warmth as its hosts embark on a vibrant journey filled with cultural exploration. Channel 4's 'The Inheritance' presents a gripping drama that grapples with themes of legacy and betrayal, perfect for those who appreciate complex character-driven stories. For a dose of reality, 'Rich Holiday, Poor Holiday' on Channel 5 contrasts the lives of two families, exploring class disparities through their summer escapes. ITV 3 offers a comforting return to 'Doc Martin', while E4's 'Married at First Sight UK' continues to challenge perceptions of love and commitment. Lastly, ITV 2's 'Olivia Attwood's Bad Boyfriends' promises a cheeky exploration of relationships that is sure to entertain.
Tonight’s highlights (21:00–23:00)
BBC One — 21:15 — King & Conqueror: Experience the intense drama of 'King & Conqueror' as it unravels the epic tales of power and ambition, drawing viewers into a world where decisions determine the fate of empires.
ITV 1 — 21:00 — Coldwater: In 'Coldwater', follow a gripping narrative filled with emotional depth as secrets emerge in a seemingly tranquil community. This dark drama will keep you on the edge of your seat.
BBC Two — 21:00 — Rob and Rylan's Passage to India: Join Rob and Rylan on their joyous exploration in 'Rob and Rylan's Passage to India', where laughter and cultural discoveries paint a vibrant picture of friendship and adventure.
CHANNEL 4 — 21:00 — The Inheritance: Delve into the intricate world of 'The Inheritance', a captivating drama that unearths family secrets and the struggle for power, perfect for fans of psychological thrillers.
CHANNEL 5 — 21:30 — Rich Holiday, Poor Holiday: Witness the contrasts of privilege and hardship in 'Rich Holiday, Poor Holiday', as two families experience summer holidays that highlight the disparities in lifestyle, revealing much about class perceptions.
ITV 3 — 21:00 — Doc Martin: Reconnect with the beloved 'Doc Martin' on ITV 3, where the charming yet curmudgeonly doctor faces hilarious and heartwarming challenges in his idyllic Cornish village.
E4 — 21:00 — Married at First Sight UK: Tune into 'Married at First Sight UK' for an engaging look at modern relationships, as couples navigate the complexities of love and commitment in an unorthodox setting.
ITV 2 — 21:00 — Olivia Attwood's Bad Boyfriends: Laugh along with 'Olivia Attwood's Bad Boyfriends', a cheeky exploration of romantic misadventures that promises to entertain with its relatable stories and sharp wit.