Quotes
Howard: Did you hear about the accident in the radiation lab?
Leonard: No, what happened?
Howard: They were injecting rats with radioactive isotopes and one of the techs got bit.
Raj: Did he get superpowers?
Howard: No, he got four stitches and a shot.
Raj: Oh. That's disappointing.
Trivia
After Sheldon mentions a molecular sieve, they go over to 4a, their apartment. 4a is a kind of molecular sieve. See more...
Movie Mistakes blog
Popular blog posts:
Top 15 biggest Harry Potter film mistakes
30 Biggest mistakes in the Star Wars movies
The 10 biggest mistakes in Iron Man 1 & 2
Other great sites
The Big Bang Theory (2007) - 147 mistakes in entire show
starring Jim Parsons, Johnny Galecki, Kaley Cuoco, Kunal Nayyar, Simon Helberg (add more)
Where is The Big Bang Theory ranked on the ultimate best to worst list? Cast your vote and find out!
Factual error: There is not a snowball's chance of Howard becoming an astronaut. He suffers from Intermittent Cardiac Arrhythmia, something about which he is completely open. This is easily detectable by a simple electrocardiogram, which is a fundamental part of the many medical examinations a potential astronaut will have to pass. He wouldn't even be allowed to start basic training.
Factual error: Penny picks up a hand gun, pulls back the slide to ensure the chamber is empty and then loads a magazine into the butt of the weapon and hands it to Leonard. He starts to smooch her and shoots himself in the foot. Problem is, Penny would have had to work the slide again to get a bullet from the magazine into the chamber for this to happen. She pulled the slide far enough back that if there had been a bullet in the chamber already it would have ejected.
Factual error: During the final scene of this episode, Sheldon steps out of his office wearing a gas mask and engages Leonard in conversation where he then states he is making hydrogen sulphide gas (more commonly known as H2S). Leonard correctly identifies this as highly flammable. However, this gas is far more dangerous and is harmful to the human body at as low a concentration as 20 parts per million (ppm), can cause permanent damage at 100ppm and is fatal after two breaths at 500ppm. So for Raj (and his bird) to be completely unharmed in a high concentration of H2S (noted by the fire) is impossible.








Series
Series