The Promise  Channel 4, 9pm  Peter Kosminsky's drama series about the fraught relationship between Palestinians and Jews is hugely ambitious and immensely watchable. It alternates between two different time periods; one that tells the story of a British sergeant during the mandate in Palestine in 1946; the other that is set in the present day, as his naive granddaughter (Claire Foy, left) on her gap year tries to retrace his footsteps in modern-day Israel. She uses his diary as a route map to learn about the events that destroyed his life and led to more than half a century of violence in the Middle East. It's a brilliantly clever dramatic device, because his conflicted loyalties and her ignorance act as a vacuum to be filled with wildly divergent points of view. "I'm sorry to be so thick," she says, "but ..." (See Pick of the week, page 24.)  Live Match of the Day  BBC One, 1pm  It may be a Sunday afternoon, but don't expect any Christian charity to be on show at the Liberty Stadium, where the South Wales derby between Swansea City and Cardiff City is sure to be a fiery affair.  Live Super Bowl XLV  BBC One, 10.55pm  Get in the Budweisers and popcorn for the biggest night in american sport a