I've been looking for a good deal on this for a while, the next cheapest is £16.99 at Benson's World.
The complete TV series based on the book by Douglas Adams. (Not to be confused with the more recent film.)
The comic and cosmic adventures of Arthur, an unassuming Englishman, and Ford his outwardly average neighbor who is actually an alien. Together, they are transported on an odyssey that takes them across the farthest reaches of time, through Hyperspace, as they search for the meaning of life.
Don't forget the 9% quidco.