[David]

The guy has basically taken episodes of Fireman Sam and reversed them so it looks like the fire brigade are starting all the fires. Then he dubs them over with subtitles to say hilarious things.

I've been in stitches all afternoon.

They contain strong language in a written format.

Episode 1:
http://www.youtube.com/watch?v=LryCbr46tQw

Episode 2:
http://www.youtube.com/watch?v=SROZnhRqS-E

Episode 3:
http://www.youtube.com/watch?v=NK8gJ6cWrPc

Episode 4:
http://www.youtube.com/watch?v=C1aa3Y2AwrE

Episode 5:
http://www.youtube.com/watch?v=NKcHmk8XyF8

Enjoy!