Heres a topic with loads of clips of top gear from youtube. i love watching these

Firstly,the cheap car challenges

Italian supercars for the price of a second hand mondeo challenge
Part 1 - click
Part 2 - click
Part 3 - click
Part 4 - click

Next up, the 1,500 quid porsche challenge
Part 1 - click
Part 2 - click
Part 3 - click

Next, 1,500 pound coupes that ARENT porsches

Part 1 - click
Part 2 - click
Part 3 - click
Part 4 - click

Or you could just get the WHOLE LOT (even the 90's stuff) here:

http://www.finalgear.com/shows/topgear/