Watch S4, EP10: The Alien Parasite Hypothesis with Fubo for $0 Today
Amy realizes she has feelings for Penny's ex; Koothrappali and Wolowitz try to prove who would be a better superhero.
Amy realizes she has feelings for Penny's ex; Koothrappali and Wolowitz try to prove who would be a better superhero.
More episodes
The Big Bang Theory
S9, EP18 "The Application Deterioration"Leonard, Sheldon and Wolowitz file for a patent on their new invention; Penny, Amy and Bernadette give dating advice to Koothrappali after his breakup with Emily.
The Big Bang Theory
S9, EP19 "The Solder Excursion Diversion"Sheldon makes a surprise revelation when Amy buys him a new laptop; Leonard and Wolowitz get sold out by Koothrappali after lying to their wives to attend a movie screening.
The Big Bang Theory
S9, EP20 "The Big Bear Precipitation"Sheldon shares a secret about Leonard when the two go on a weekend trip with Penny and Amy; Koothrappali goes all out with pregnancy gifts.
The Big Bang Theory
S9, EP21 "The Viewing Party Combustion"During a group get-together, a minor argument between Sheldon and Leonard turns into a heated debate, leaving the rest of the gang to choose sides.
