This grammy award-winning actor plays Dr. Sheldon Cooper.
Who is Jim Parsons?
100
At Stuart's Halloween Party, this macho man dresses as Superman.
Who is Zack?
100
After over a year of trying, Leonard finally managed to get a date with this beautiful blonde waitress/actress.
Who is Penny?
100
This branch of physics is represented by Dr. Sheldon Cooper.
What is theoretical physics?
100
This good neighbor was the first to sing Soft Kitty to Sheldon on the show.
Who is Penny?
200
This child actor has grown up to play Sheldon's sidekick, Leonard.
Who is Johnny Galecki?
200
Raj always ends up as this aquatic superhero, about which he is less than enthusiastic.
Who is Aquaman?
200
After Howard got dumped by this strong-headed experimental physicist, the boys treated him to a weekend in Las Vegas.
Who is Leslie Winkle?
200
Dr. Leonard Hofstadter studies this type of science in the show.
What is experimental physics?
200
This is the "sweet green miracle" Raj was drinking when he discovered the alcohol allowed him to speak to women.
What is a grasshopper?
300
This cast member is married to a former Miss India.
Who is Kunal Nayyar?
300
Raj picks a fight with this famous, well-known writer of comic books.
Who is Stan Lee?
300
When Leonard enters a relationship with this beautiful doctor, Sheldon does everything in his power to try and keep them together.
Who is Stephanie Barnette?
300
Howard Wolowitz, the group's only non-physicist, chose this scientific profession instead.
What is mechanical engineering?
300
When Leonard comes back from the North Pole, he gives Penny this object sealed between two pieces of acrylic.
What is a snowflake?
400
A neurobiologist in real life, this woman portrays her career on television as well as Dr. Amy Farrah Fowler.
Who is Mayim Bialik?
400
Accompanied by Raggedy C3P0, which character dresses as Raggedy Ann for Stewart's Halloween Party?
Who is Amy Farrah Fowler?
400
Raj and Howard pick up these two night angels at a goth night club.
Who are Bethany and Sarah?
400
Bernadette spends her days studying this "small" science.
What is microbiology?
400
This is the first musical Penny gets cast in on the show, which Leonard and Sheldon did not attend once they heard her sing.
What is Rent?
500
This former SNL Cast Member plays physicist Leslie Winkle on the show.
Who is Sara Gilbert?
500
With the sexy cop at his side, Leonard attended Stuart's last Halloween party dressed as this famous 20th century scientist.
Who is Albert Einstein?
500
Penny had a fling with this hunky physicist which ended quickly when she figured out he was married.
Who is David Underhill?
500
When Sheldon and Howard have a dispute over a cricket, they visit Dr. Crawley, who lost his position at Caltech after spending his life studying this branch of science.
What is entomology?
500
This cast member has previous experience working with both Mayim Bialik (Amy Farrah Fowler) on Blossom and Sara Gilbert (Leslie Winkle) on Roxanne.