What’s on TV Tonight, Wednesday 18 April
Apprentice workouts, Kent delicacies, Olympic ambitions, Chelsea v Barcelona, and Elizabeth Taylor's Auction of a Lifetime

Champions League Football: Chelsea v Barcelona – 7:30pm, ITV1 (kick-off 7:45pm)
Chelsea are out for retribution following the controversial night in 2009 that saw them crashing out of the competition. Can anyone stop Messi?
Our Food – 8:00pm, BBC2
Giles Coren explores the delights of the Kent countryside, learning the secrets of medieval brewing and sampling the county’s distinctively continental flavours.
The Apprentice – 9:00pm, BBC1
Five weeks in and we’re starting to get to know the candidates. This week Lord Sugar’s hopefuls are tasked with putting together a fitness regime.
Elizabeth Taylor: Auction of a Lifetime – 9:00pm, C4
A documentary portrait of the actress’s tumultuous life, looking at some of her most treasured possessions as they are sold at auction in London and New York.
2012 Olympic Games: 100 Days to Go – 10:45pm, BBC1
Four-time Olympic champion Michael Johnson previews London 2012. Featuring interviews with Usain Bolt, Tom Daley and the opening ceremony’s artistic director, Danny Boyle.
Wild Swimming – 11:00pm, BBC4
Alice Roberts goes on an unusual quest to find out what lies behind Britain’s new-found passion for swimming in the wild.
Ricky Gervais: Science – 11:55pm, E4
The comedian’s fourth live stand-up show, recorded at London’s Hammersmith Apollo.