Use code RP5 for £5 off the £13.19 price.
This is the cheapest this has EVER been posted on here.
Buy from BaseUK via Price Minister, direct link in 1st post (Go To Deal doesn't work).
Remember TopCashBack's 10.1% (or Quidco 10%) Cashback, it tracks against the pre discounted price, which makes it just £6.86 after cashback!
Synopsis : All five episodes from the BBC documentary science series presented by Professor Brian Cox. Whether it's Saturn's rings, the solar flares of the Sun or the deserts of Mars, Professor Cox demonstrates how the forces that shaped our world are also responsible for creating some of the most breathtaking sights in our solar system. Episodes comprise:'Empire of the Sun','Order Out of Chaos','The Thin Blue Line','Dead Or Alive'and'Aliens'.
** If it isn't showing in stock on the direct link below, it is because after someone buys one, it takes 3-4 minutes for another one from BaseUK to autolist on the site, so just wait for a couple of minutes and reload the page. **
**** UPDATE: Price now £13.42, which makes this £8.42 after RP5 discount, and £7.06 after TopCashBack - Still very very cheap for this BluRay ****