Amazon.co.uk offers The Big Bang Theory: Seasons 1 to 8 on Blu-ray Disc for $45.01 (£30.99). Add it to your cart and proceed to checkout to drop it to $37.52 (£25.83). With $4.47 (£3.08) for shipping, that's $2 under our mention from Black Friday and the lowest total price we could find by $19.

This Blu-ray set is region-free; the episodes themselves will play on US Blu-ray players, but the extras and special features may not.