Stephen Fry's 100 Greatest Gadgets
Channel 4, 8pm The tech-obsessed Twitter fan (below) joins like-minded geeks for a rundown of the past century's most memorable gadgets. They're all here, from hairdryers and apple peelers, to iPods and MP3 players.
He's joined by chef Heston Blumenthal who shares his alternative use for a SodaStream -- making fake Champagne!
OFF THE BEAT
BBC1, 9pm The recession sends a chill down the spines of Brian and Gerry, who fear the UCOS is about to get the chop due to cutbacks.
Sandra tries to be the voice of reason and reassures them that their jobs are secure, but a chat with Strickland leaves her with plenty to mull over and perhaps the end really is in sight for the police unit?
Come Dine With Me Ireland
TV3, 9pm Dublin is the latest city to play host to a disparate mix of novice cooks. There's tough-talking Emma from Tallaght, posh girl Monica, mild-mannered civil servant Aiden, know-all IT manager Martin and house-proud Una. There's plenty of banter around the table, but will the food prove just as enticing?
The Conspiracy Files: 9/11 Ten Years On
BBC2, 9pm Documentary examining why some people still question the circumstances surrounding the terrorist attacks of September 11, 2001.
Theories focus on the way the World Trade Center buildings collapsed and why the military were unprepared.