United Kingdom released, PAL/Region 2 DVD: it WILL NOT play on standard US DVD player. You need multi-region PAL/NTSC DVD player to view it in USA/Canada: LANGUAGES: English ( Dolby Digital 5.1 ), English ( Dolby Surround ), English ( Subtitles ), WIDESCREEN (1.78:1), SPECIAL FEATURES: Box Set, Interactive Menu, Multi-DVD Set, Scene Access, SYNOPSIS: The Big Bang crew delivers a proven formula for universal fun in The Complete Seasons One through Six. Physics phenomena Leonard (Johnny Galecki) and Sheldon (Jim Parsons) conquer the cosmos while they dabble in the science of love and relationships with the street-smart girl next door Penny (Kaley Cuoco) and fellow scientists Howard (Simon Helberg), Raj (Kunal Nayyar), Amy (Mayim Bialik) and Bernadette (Melissa Rauch) in this Emmy-nominated hit comedy series. SCREENED/AWARDED AT: Golden Globes, ...The Big Bang Theory (Seasons 1-6) - 19-DVD Box Set ( The Big Bang Theory - Seasons One to Six )