Richard Hammond hosts a hidden camera show in which he is hired by members of the public to pull pranks on their friends and family, with help from a group of actors and comedians. On tonight's show, the Secret Service creates an entire Royal Family from a totally made-up country, and convince a couple that their daughter is marrying into it.

The Secret Service convinces a trend-setting young lad that he is the next big thing in the world of modern art, one lothario experiences the most demanding blind date in history to find out just how far men will go to keep women happy, and the team of agents take to the streets to look for volunteers willing to appear in the most ridiculous fake teeth whitening advert ever made.

A trainee wedding planner's worst nightmares come true on someone's special day, a less-than-accurate lie detector hits the streets of Oxford, and one woman has to deal with Bill Oddie's new fake history TV show destroying her entire garden.

A house-proud woman comes home to find a priceless piece of graffiti covering the front of her house, a roofer called out on a routine job becomes the star of a live German TV music show and a group of school children make a new friend in the form of a talking labrador.

An unsuspecting member of the public witnesses the world's first ever human teleportation, a fortune telling machine demonstrates its psychic abilities, and messing around in a new job leads to big trouble for one young man.

In the final episode of the series, agent Bill Oddie returns to plant a rare bird's nest on someone's much-loved sports car, a group of pensioners volunteer to help a man who was cryogenically frozen sixty years ago make sense of the modern world, and one man has to imitate of host of celebrities for an American radio show whilst stuck in a lift.