A series of one-offs (if that's not a contradiction in terms) spun off from five's ratings winner Britain's Worst Driver.
Episode list
| 18 February 2004 | Britain's Worst Performer |
| 25 February 2004 | Britain's Worst Cook |
| 11 April 2004 | Britain's Worst Pet (One-off) |
| 18 April 2004 | Britain's Worst DIY'er (One-off) |
| 25 April 2004 | Britain's Worst Husband |
| 7 November 2004 | Britain's Worst Wife |
| 14 November 2004 | Britain's Worst Mother-In-Law |
| 21 November 2004 | Britain's Worst Parent |
| 28 November 2004 | Britain's Worst Home |
| 5 December 2004 | Britain's Worst Neighbour |
| 22 April - 27 May 2005 | Britain's Worst DIY'er (Series) |
| 23 October 2005 | Britain's Worst Boss |
| 30 October 2005 | Britain's Worst Teenager |
| 6 November 2005 | Britain's Worst Chef |
| 13 November 2005 | Britain's Worst Hairdresser |
| 20 November 2005 | Britain's Worst Builder |
| 7 September - 12 October 2006 | Britain's Worst Pet (Series) |
A similar format of Britain's Worst aired on ITV from 1999 to 2000, which included episodes ranging from Shoppers, Roads, Cheats, Gardeners, Tradesmen and Weather. But they weren't even in a game show format.