Watch Episodes - United States US

catch-up   Catch up: CBS.com

The latest episodes of The Big Bang Theory can be streamed at CBS.com for a limited time following their original airing.

catch-up   Catch up: TBS.com

Full episodes from past seasons of The Big Bang Theory can be watched on TBS.com for a limited time following their broadcast.

download   Download: iTunes

Episodes of The Big Bang Theory can be bought for download from iTunes. Also available in HD.

download   Download: Amazon.com

Episodes of The Big Bang Theory can be bought to stream and download from Amazon.com. Also available in HD.

Latest Downloads - United States US

Episode Air Date iTunesAmazon.com
The Commitment Determination May 7, 2015 iTunesAmazon.com
The Maternal Combustion April 30, 2015 iTunesAmazon.com
The Graduation Transmission April 23, 2015 iTunesAmazon.com
The Communication Deterioration April 16, 2015 iTunesAmazon.com
The Fortification Implementation April 9, 2015 iTunesAmazon.com
The Skywalker Incursion April 2, 2015 iTunesAmazon.com
The Leftover Thermalization March 12, 2015 iTunesAmazon.com
The Colonization Application March 5, 2015 iTunesAmazon.com

Looking for a particular episode? Browse our episode guide

DVDs & Blu-rays Region 1/A US

Season Released DVD Blu-ray
Season 1 02 Sep, 2008 Buy from Amazon.com Buy from Amazon.com
Season 2 15 Sep, 2009 Buy from Amazon.com Buy from Amazon.com
Season 3 14 Sep, 2010 Buy from Amazon.com Buy from Amazon.com
Season 4 13 Sep, 2011 Buy from Amazon.com Buy from Amazon.com
Season 5 11 Sep, 2012 Buy from Amazon.com Buy from Amazon.com
Season 6 10 Sep, 2013 Buy from Amazon.com Buy from Amazon.com
Season 7 16 Sep, 2014 Buy from Amazon.com Buy from Amazon.com
Season 8 15 Sep, 2015 Buy from Amazon.com Buy from Amazon.com