Guest Star: Troy Winbush
The Proton Resurgence
Season 6, Episode 22 - Aired May 2, 2013
When Sheldon discovers his childhood hero, Professor Proton - a former TV science show host, is available for children's parties, Sheldon and Leonard hire him to perform for them. Meanwhile, Howard and Bernadette take care of Raj's dog.
Appeared as Paramedic #2