The Big Bang Theory - Trivia Question of the Day! What Halloween costume does Sheldon wear to Penny's party? A. Superman B. The Flash C. The Doppler Effect D. The Green Lantern
![The Big Bang Theory on Twitter: "Is this HAUNTING or what? Get in2 the Halloween spirit & c more memorable #BigBangTheory costumes: http://t.co/KSPTFWDz http://t.co/dts4spkS" / Twitter The Big Bang Theory on Twitter: "Is this HAUNTING or what? Get in2 the Halloween spirit & c more memorable #BigBangTheory costumes: http://t.co/KSPTFWDz http://t.co/dts4spkS" / Twitter](https://pbs.twimg.com/media/A6kXZNrCQAEdtqe.jpg)
The Big Bang Theory on Twitter: "Is this HAUNTING or what? Get in2 the Halloween spirit & c more memorable #BigBangTheory costumes: http://t.co/KSPTFWDz http://t.co/dts4spkS" / Twitter
![Nerds Gets Spooky: Celebrate Halloween the Smart Way With 'The Big Bang Theory' in “The Holographic Excitation” - Nerds and Beyond Nerds Gets Spooky: Celebrate Halloween the Smart Way With 'The Big Bang Theory' in “The Holographic Excitation” - Nerds and Beyond](https://i0.wp.com/www.nerdsandbeyond.com/wp-content/uploads/2020/10/feature-image-1.jpg?fit=800%2C669&ssl=1)
Nerds Gets Spooky: Celebrate Halloween the Smart Way With 'The Big Bang Theory' in “The Holographic Excitation” - Nerds and Beyond
![The Big Bang Theory on Twitter: "Penny and Leonard's Halloween party gets extra spooky when the pair clash over the memory of their first kiss. Stream the latest episode of The #BigBangTheory The Big Bang Theory on Twitter: "Penny and Leonard's Halloween party gets extra spooky when the pair clash over the memory of their first kiss. Stream the latest episode of The #BigBangTheory](https://pbs.twimg.com/media/DqT_oueXQAI4slR.jpg)