: Meanwhile, Raj joins the "girls' night" with Penny, Amy, and Bernadette to make jewelry. Howard crashes the evening, using his high-tech tools to "improve" their crafts, which upsets Raj, who feels his safe space for expressing his feminine side is being invaded. Cast and Key Guest Stars
In which originally aired on November 7, 2013, the central plot revolves around Sheldon Cooper's complex relationship with his childhood hero, Professor Proton. Episode Summary [S7E7] The Proton Displacement
: Arthur Jeffries' character mentions that Bill Nye "stole" his show, a humorous reference to the real-life influence of scientific edutainment pioneers like Don Herbert (Mr. Wizard) on later shows. The Proton Displacement | The Big Bang Theory Wiki | Fandom : Meanwhile, Raj joins the "girls' night" with
: Sheldon is seen wearing a Sinestro Corps (Yellow Lantern) shirt, which symbolizes "fear"—a nod to the tension in his relationship with Arthur during the episode. Episode Summary : Arthur Jeffries' character mentions that