The sixth season of The Big Bang Theory was released on DVD and Blu-ray in the United Kingdom today. A multi-season box-set of Seasons 1-6 is also now available on DVD and an Blu-ray.

The Big Bang Theory: Season 6 DVD The three-disc box-set includes all twenty-four episodes of The Big Bang Theory's latest season. The episodes are presented in widescreen with Dolby Digital 5.1 Surround Sound. The bonus features are a Gag Reel, "One Small Step for Wolowitz, one Giant Leap for Primetime" featurette, "Houston, We Have a Sit-Com" featurette, "Electromagnetism" - the best relationship moments of Season 6 featurette, and finally the 2013 Paley Festival Q&A with the show's cast and crew. The DVD also includes Ultra-Violet digital downloads of the episodes (available in the UK only). English, Dutch, Danish, Finnish, French, Norwegian, Spanish and Swedish subtitles are included, along with French and Spanish dubbed audio tracks.

The Big Bang Theory: Season 6 Blu-ray The two-disc Blu-ray box-set includes all twenty-four episodes of The Big Bang Theory's sixth season in high definition. The episodes are presented in 1080p widescreen with DTS-HD Master Audio 5.1. The bonus features are the same as the DVD. The Blu-ray also includes Ultra-Violet digital downloads of the episodes (available in the UK only). English, Dutch, Danish, Finnish, French, Norwegian, Spanish and Swedish subtitles are included, along with French and Spanish dubbed audio tracks.

The Big Bang Theory: Seasons 1-6 DVD This nineteen-disc DVD box-set includes all one hundred and thirty-five episodes from the six completed seasons of The Big Bang Theory. The episodes are presented in widescreen with Dolby Digital 5.1 Surround Sound. The original bonus features are present on each season's DVDs, including gag reels and behind-the-scenes featurettes.

The Big Bang Theory: Seasons 1-6 Blu-ray This twelve-disc Blu-ray box-set includes all one hundred and thirty-five episodes from Seasons 1-6 of The Big Bang Theory in high definition. The episodes are presented in widescreen with DTS-HD Master Audio 5.1 (except Season 3). The original bonus features are present on each season's DVDs, including gag reels and behind-the-scenes featurettes.