What episode is the Bitcoin Entanglement on 'the Big Bang theory'?

"The Bitcoin Entanglement" is the ninth episode of the eleventh season of the American sitcom The Big Bang Theory. The episode aired on Thursday, November 30, 2017. Sheldon tries to teach the guys a lesson after they cut him out of a potentially valuable Bitcoin investment. Also, a...

Is 'the Bitcoin Entanglement' a sitcom?

Yet “The Bitcoin Entanglement” employs a sitcom cliché — the flashback episode — to not only tell a funny story about Sheldon and the gang, but to also give the most uncomplicated explanation of how bitcoin works I’ve ever heard.

What happened on 'the Big Bang theory' 7 years ago?

Thanks to several flashbacks from seven years ago, we get to spend a few minutes with The Big Bang Theory cast back when Bernadette worked at the Cheesecake Factory, Howard lived upstairs, and Mrs. Wolowitz gruffly shouted for her son to stop roughhousing with his “little friends.”