Baking, Blue Bloods and Bacteria: The Best of Tonight’s TV

From a bake off to a murder investigation, there's plenty to watch tonight! The Great Comic Relief Bake Off – BBC One (8.00pm) Four more famous faces – including DJ Chris Moyles and TV presenter Alexa Chung – step into the kitchen for the special edition of the show.   Location, Location, Location – Channel 4 (8.00pm) This week Kirstie Allsopp and Phil Spencer catch up with two pairs of house-hunters including a couple who were looking for a spacious home.   The Consumer Show – RTÉ One (8.30pm) In the first of the new series Ella McSweeney investigates why the levels of bacteria are so high in poultry stocked by supermarkets and Tadhg Enright looks at rental rights.   Blue Bloods – RTÉ 2 (9.00pm) Danny and Baez are looking into the murders of three community leaders. Drama with Tom Selleck and Donnie Wahlberg.   The Girl with the Dragon Tattoo – RTÉ One (9.35pm) Daniel Craig and Rooney Mara star in this thriller about a journalist who enlists the help of a computer hacker when he is asked to look into an unsolved murder.