The Big Bang Theory season 12 episode 21 Recap and FAQ

Episode Summary

Sheldon and Amy grapple with feeling like imposters despite their super-asymmetry breakthrough. Tensions rise when Kripke accuses Pemberton of plagiarizing his thesis, presenting a moral dilemma. Leonard contemplates exposing Pemberton to aid Sheldon and Amy, while Penny confesses to once sabotaging a co-worker's interest in Leonard. Ultimately, Sheldon and Amy confront Pemberton and Campbell but choose not to expose the plagiarism, valuing fair competition. The episode concludes with the information being leaked by an unknown party, impacting Pemberton's career.

Full Episode S12E21 Recap

### The Nobel Prize Turmoil - Sheldon and Amy feel like imposters despite their super-asymmetry breakthrough. - President Siebert and HR rep intervene to manage the tension between Sheldon, Amy, and their competitors, Pemberton and Campbell. ### The Accusation of Plagiarism - Barry Kripke reveals that Pemberton might have plagiarized his thesis. - Sheldon and Amy struggle with the ethical dilemma of using this information against Pemberton. ### The Decision to Stay Ethical - Leonard learns about Pemberton's alleged plagiarism and considers exposing it. - Sheldon and Amy decide against using the plagiarism information, preferring to win the Nobel Prize fairly. ### Leonard's Dilemma - Leonard is conflicted about whether to reveal Pemberton's plagiarism to help Sheldon and Amy. ### Personal Moments - Penny reveals to Leonard that she once sabotaged a co-worker's chance with him. - Howard and Raj discuss Sheldon's adherence to rules and their pride in Sheldon and Amy's ethical stance. ### The Confrontation - Sheldon and Amy confront Pemberton and Campbell with the plagiarism proof, but decide not to expose them, wanting to win fairly. ### The Aftermath - Unbeknownst to Sheldon and Amy, the plagiarism information is leaked, leading to Pemberton's professional downfall. - Kripke, now involved in the scandal, proposes a partnership with Sheldon and Amy.