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
Overview: Leonard keeps an affair a secret from Sheldon, Howard and Raj.
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First Air Date: Sep 24, 2007Last Air date: May 16, 2019Season: 12 SeasonEpisode: 279 EpisodeRuntime: 22 minutesQuality: HDIMDb: 7.90 / 10 by 10855 usersPopularity: 933.976Language: English