Countdown to the series finale: 23 days

The Plagiarism Schism Season 12, Episode 21 -  Airs May 2, 2019

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Kripke has proof that Dr. Pemberton plagiarized his thesis in college, and Sheldon and Amy aren’t sure if they should turn him in or not. Also, Wolowitz is happily surprised to learn that Bernadette wasn’t the only waitress at the Cheesecake Factory who had a crush on him back in the day

Guest Stars: Sean Astin as Dr. Pemberton, Kal Penn as Dr. Campbell, Mimi Gianopulos as Trina, John Ross Bowie as Barry Kripke, Joshua Malina as President Siebert

Writers: Eric Kaplan (Story), Maria Ferrari (Story), Adam Faberman (Story), Steve Holland (Teleplay), Dave Goetsch (Teleplay), Tara Hernandez (Teleplay)

Director: Nikki Lorre

Episode Notes