Opportunity Knocks (1956-1966)

Nail-biting psychological competition where 22 strangers play the ultimate reality game of detection, backstabbing and trust, in the hope of winning up to £120,000.

Contestants guess hidden phrases by guessing letters one at a time. Contestants win money or prizes, as determined by a spin of the wheel, for each correct consonant they guess. But they have to pay to see what vowels are in a puzzle. The contestant that has amassed the most winnings at the end of a game goes on to play the bonus round, in which the player can win even more -- prizes frequently seen in the bonus round include automobiles, vacations and more cash.

Allegiance follows on identity and belonging, policing and politics, and finding truth within the heart of a flawed justice system. Sabrina Sohal is a star rookie police officer who must grapple with the limits of the justice system as she fights to exonerate her politician father Ajeet Sohal. Sohal serves her diverse hometown of Surrey alongside Vince Brambilla, a veteran training officer who sees her potential but doesn't always agree with her forward-thinking methods. Allegiance is the story of a young woman caught between her allegiance to her flag, to her badge, and to her family.

Have you ever wondered what it would be like to live your life off the grid? Have you wished you could shed the complications of modern society and live in the wilderness, using only the things nature has provided? Meet Eustace Conway, Tom Oar and Marty Meierotto of the new History series Mountain Men, three men who have devoted their lives to survival in its simplest form. But how simple is it really for the Mountain Men?

From the rugged Blue Ridge Mountains of North Carolina to the seven-month-long winters on the Yaak River in Montana to the frigid northern range of Alaska, the country is full of some very unforgiving terrain. Watch as these men face off against mudslides, falling trees, ravaging weather and even hungry animals, to make sure they obtain the food and supplies they will need to make it through the brutal winter months ahead.

The Simpsons is the longest running scripted show in US television history. It captures the adventures of Homer, Marge, Maggie, Bart and Lisa who are living in a fictional town called Springfield.