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 Planetarium Collision October 18, 2018 iTunesAmazon.com
The Tam Turbulence October 11, 2018 iTunesAmazon.com
The Procreation Calculation October 4, 2018 iTunesAmazon.com
The Wedding Gift Wormhole September 27, 2018 iTunesAmazon.com
The Conjugal Configuration September 24, 2018 iTunesAmazon.com
The Bow Tie Asymmetry May 10, 2018 iTunesAmazon.com
The Sibling Realignment May 3, 2018 iTunesAmazon.com
The Monetary Insufficiency April 26, 2018 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
Season 9 13 Sep, 2016 Buy from Amazon.com Buy from Amazon.com
Season 10 12 Sep, 2017 Buy from Amazon.com Buy from Amazon.com
Season 11 11 Sep, 2018 Buy from Amazon.com Buy from Amazon.com