Out now on DVD is the first season a A Town Called Eureka, the US hit science fiction series which just happens to be the highest-rated telecast launch in the history of the Sci-Fi Channel.

Across thirteen episodes, the show tells the tale of the US government moving the geniuses of the world to a small town called - yes! - Eureka, and the events that follow. There's a full review to follow here at Den Of Geek, but it's already shaped up to be one of the most interesting shows of recent times.

To be in with a chance of winning a copy of the set, you simply need to answer the question below, and get the answer to us in our e-mail inbox by 11th April 2008, at 10am BST.

The question is this: how many episodes are there in the show's first season?

Send in your answer, the thing you like best about Den Of Geek and your contact details to geekcomps@gmail.com. Good luck!

And while we're talking about A Town Called Eureka, you might like to check out the specially created Facebook application here, or you can find out more about Universal Playback here.