The Big Bang Theory

Dennis Kim

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Dennis Kim
Physics Doctoral Candidate
1992 or 1993
Series Information
First episode
The Jerusalem Duality
S1 S2 S3 S4 S5 S6 S7 S8
Portrayed by
Austin Lee

Dennis Kim is a 15 year-old physics prodigy from North Korea whom Dr. Eric Gablehauser hopes to recruit into his department's Ph.D. program, in the episode "The Jerusalem Duality". A highly sought after doctoral candidate, he was the valedictorian at , graduating within a year-and-a-half, and the youngest recipient of the prestigious Stevenson Award (probably based on the real-life Stevenson Prize). Dennis lost a year in starting graduate work while his family tunneled out of North Korea, though his grandfather remained behind. As incentives to lure him, Dr. Gablehauser proffers that he may use up to 20% of the grant money he attracts to smuggle his grandfather out of and enlists Sheldon and Leonard to provide a tour of the department to show him why Caltech has the best physics research facility in the USA.

Dennis Kim

Dennis Kim notices Sheldon's Stevenson Award.

Dennis and Sheldon have an antagonistic relationship when the former intellectually surpasses the latter. Believing the string theory research (i.e., Sheldon's research) conducted at Caltech to be a dead end, Dennis insults Sheldon by insisting that he will eventually come to the same conclusion and inputs that the whole of false vacuums in string theory could be as large as ten to the five-hundredth power. Dennis insults Leonard's English, before Sheldon halts the tour by returning to his office, Dennis makes a keen observation of Sheldon's work on scribbled on one of his whiteboards and finds it startling that he hasn't considered a Lorentz invariant field theory approach. While Sheldon demands that he leave, Dennis Kim excitedly takes note of the Stevenson Award framed near the door inside, but is quick to discover that Sheldon was only formerly the youngest recipient at fourteen-and-a-half.

Losing faith in his own research, Sheldon begins searching for a different field of study to the progressively increasing frustration of his friends, prompting the gang to come up with a solution to derail Dennis Kim's work. The gang make arrangements so Dennis can meet girls his age in an attempt to distract him from his intellectual pursuits. The plan succeeds and Dennis is seen kissing a girl and drinking, presumably no longer an intellectual threat to Sheldon.

Dennis Kim has no known relationship to Joyce Kim. Kim is a common family name.


  • New potential genius from North Korea.
  • Sheldon, Leonard and Dennis.
  • Finding Sheldon's mistakes.
  • Hanging out with his new reindeer forgetting about science.

v · e · d
Characters, Cast & Crew
Characters Main Leonard Hofstadter  ‧  Sheldon Cooper  ‧  Penny Hofstadter  ‧  Howard Wolowitz  ‧  Rajesh Koothrappali  ‧  Amy Farrah Fowler  ‧ 
Bernadette Rostenkowski-Wolowitz  ‧  Stuart Bloom  ‧  Emily Sweeney  ‧  Leslie Winkle    The Social Group
Recurring Debbie Wolowitz  ‧  Barry Kripke  ‧  Priya Koothrappali  ‧  Dr. V. M. Koothrappali  ‧  Mrs. Koothrappali  ‧  Lucy  ‧  Mary Cooper  ‧  Zack Johnson  ‧  Beverly Hofstadter  ‧  Mike Rostenkowski  ‧  Alex Jensen  ‧  Professor Proton  ‧  Althea  ‧  Cinnamon
Cast Regulars Johnny Galecki  ‧  Jim Parsons  ‧  Kaley Cuoco  ‧  Simon Helberg  ‧  Kunal Nayyar  ‧  Mayim Bialik  ‧  Melissa Rauch  ‧  Kevin Sussman  ‧ 
Laura Spencer  ‧  Sara Gilbert
As Selves Wil Wheaton  ‧  Mike Massimino  ‧  Stephen Hawking  ‧  Katee Sackhoff  ‧ Steve Wozniak  ‧ Buzz Aldrin  ‧ Summer Glau  ‧ James Earl Jones  ‧ Carrie Fisher  ‧ Brent Spiner  ‧ Bill Nye  ‧ George Smoot  ‧ George Takei  ‧ LeVar Burton  ‧ Neil deGrasse Tyson  ‧ Brian Greene  ‧ Charlie Sheen  ‧ Stan Lee
Crew Writers Chuck Lorre * (Creator)  ‧  Bill Prady * (Creator)  ‧  Steven Molaro *  ‧  Steve Holland *  ‧  Maria Ferrari *  ‧  Jim Reynolds *  ‧  Eric Kaplan *  ‧  Anthony Del Broccolo  ‧  Lee Aronsohn *  ‧  Dave Goetsch *  ‧  Tara Hernandez  ‧  Richard Rosenstock *
Directors Mark Cendrowski  ‧  Peter Chakos * (mainly as Editor)  ‧  Anthony Rich  ‧  James Burrows
Science consultant : David Saltzberg Director of photography : Steven V. Silver
Costume designer : Mary T. Quigley * Unit production manager : Kelly-Anne Lee *
Theme composer / performer : Barenaked Ladies Chuck Lorre Productions
also as Producer The Big Bang Theory : Full cast & crew on IMDb

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