Terrestrial The Insider Channel 4, 7.30pm Brits have never owed so much dosh. After five raises in interest rates in a year, personal debt is now increasing by a billion spondulicks every five minutes. Jasmine Birtles is the author of several money self-help guides and runs a website that aids people to escape debt. With bankruptcies doubling in the past two years, she's never been busier. Jasmine believes one reason is that it's just too easy to obtain loans and credit cards. She argues that people who are already deeply in debt and have no incoming resources should not be passing the scrutiny of the lenders.

Forty Years Of Gardeners' World BBC2, 8pm An hour-long spesh looking back at the UK's venerable gardening TV series, examining the trends that have changed from decade to decade and how Gardeners' World has reflected them all. From the formal bedding of the sixties and seventies that paid homage to national parks schemes to the present-day wave of naturalistic planting with an accent on wildlife-friendly spaces, the prog has moved with the times, often influencing trends as well as reacting to them. Then there are the presenters - starting with Percy Thrower, the nation's head gardener, with trademark tie and tweed jacket.

Big Brother: Live Final Channel 4, 8.30pm After 34 weeks, the horror abates: which hated housemates will be exiting just before this year's £100,000 winner? Join Davina McCall as she breathlessly preens and runs about like a headless chicken before a large number of screaming muppets.

Digital The Pelican Brief TCM, 9pm Competent screen version of John Grisham thriller, directed by Alan J Pakula. Julia Roberts is a law student who unwittingly walks into a high-reaching US government conspiracy. With Denzel Washington and Sam Shepherd.

Kagemusha Film 4, 12.40am Akira Kurosawa's first film after a prolonged absence won the Palme d'Or at Cannes. Set in the sixteenth century, it concerns a thief (played by Tatsuya Nakadai) who is sentenced to death. However, he is then given a second chance owing to his resemblance to the leader of the ruling clan. When that leader is killed in battle, the clan is naturally anxious that his death is not discovered and the clan weakened.

The thief thus takes the clan leader's place to fool its enemies.

50 Greatest Magic Tricks E4, 12.55am Adam Buxton is aided by his usual sidekick - and keen amateur magician - Joe Cornish as they host a two-hour cavalcade of conjuring. An insightful, entertaining and not very reverent journey through the most amazing, bizarre and spectacular tricks in the history of magic, as voted by members of the Magic Circle. Magicians interviewed include Paul Daniels, Penn and Teller, Lance Burton, David Berglas and Derren Brown. Celebrities also reveal their personal favourites, from Richard Branson (performing a trick of his own) to Keith Duffy, Jeremy Beadle, Sooty, Reece Shearsmith and Jeremy Dyson from League of Gentlemen, Trevor and Simon, Nicholas Parsons and yummy one-time ex-magician's assistant Linda Lusardi.

Radio Having It All Radio Scotland 11.30am Snatching time away from news bulletins, Radio Scotland anchor Jackie Bird has penned this sparky comedy drama with Michelle Gomez as a divorced mother of two, struggling with life's ever-shifting priorities.

Also, Proms 2007 (Radio 3, 7.30pm), presents the world premiere of Scottish composer Thea Musgrave's Two's Company , written for Evelyn Glennie. The sexy percussionist will be accompanied by oboeist Nicholas Daniel and the BBC Symphony Orchestra.