is returning to CBS
's "The Big Bang Theory
" to guest-star as Professor Proton, Sheldon's fave childhood hero.
will also guest-star as himself.
The "Big Bang Theory" episode, set to air Nov. 7, features Professor Proton contacting Leonard to ask for help with an experiment. A scorned Sheldon seeks revenge by befriending a rival science TV host, played by Nye.
Newhart appeared on "Big Bang Theory" earlier this year and earned an Emmy for guest actor in a comedy series for his role as Professor Proton. Nye was recently eliminated as a contestant on ABC's
"Dancing With the Stars
2013 Variety Media, LLC, a subsidiary of Penske Business Media; Distributed by Tribune Content Agency, LLC
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