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Two worlds collide when the Doctor meets Bill.
Matt gets to grips with the Mercedes-AMG GT R. Ross Noble takes to the Top Gear track.
Is it right to experiment on monkeys to try to improve the lives of humans?
Things get a little too close for comfort when the couple play a relationship quiz.
DCI Roz Huntley is under intense pressure from her superiors to apprehend a murderer.
Giles and Monica arrive at Royal Mansour, one of the world's most discreet hotels.
Andrew Martin celebrates the pastime of sailing model boats on ponds.
Michael Ball and Carole King discuss her life in music.
Are we hard-wired for hope? Bettany Hughes finds out why we believe things can get better.
Roger Daltrey tells the story of Chuck Berry, one of the founding fathers of rock 'n' roll
Sound expert Julian Treasure explores how open plan design affects us.
Rick Wakeman presents some of his favourite and notable keyboard tracks.
