The Big Bang Theory - Season 11 Episode 9 : The Bitcoin Entanglement
Sheldon tries to teach the guys a lesson after they cut him out of a potentially valuable Bitcoin investment. Also, a seven-year-old video reveals a secret about Leonard and Penny's relationship.
Alternative Titles: 天才理论传, Big Bang Theory, תאוריית המפץ הגדול, Hamapats hagadol, Enfejare Bozorg, ビッグバン★セオリー, La teoría del Big Bang, Štreberi, Teoria vel'keho tresku, Büyük Patlama Teorisi