Currently available on 5 streaming services.

Streaming, rent, or buy The Big Bang Theory – Season 12:

Currently you are able to watch "The Big Bang Theory - Season 12" streaming on Crave or for free with ads on CTV. It is also possible to buy "The Big Bang Theory - Season 12" as download on Amazon Video, Apple TV, Microsoft Store.

Where can I watch The Big Bang Theory for free?

The Big Bang Theory is available to watch for free today. If you are in Canada, you can:

  • Stream 5 episodes online with ads on CTV

If you’re interested in streaming other free movies and TV shows online today, you can:

  • Watch movies and TV shows with a free trial on Prime Video

Cast

Johnny Galecki
Leonard Hofstadter
Jim Parsons
Sheldon Cooper
Kaley Cuoco
Penny
Simon Helberg
Howard Wolowitz
Kunal Nayyar
Rajesh Koothrappali
Melissa Rauch
Bernadette Rostenkowski
Mayim Bialik
Amy Farrah Fowler