Did you know that many iconic TV shows are known for their memorable catchphrases? For example, on the popular sitcom Friends, Joey Tribbiani's catchphrase was How you doin'? Another classic catchphrase is from the animated series The Simpsons, where Homer Simpson often exclaims D'oh! In the medical drama Grey's Anatomy, Dr. Cristina Yang's famous catchphrase is Seriously? while Ron Swanson from the comedy Parks and Recreation is known for saying Give me all the bacon and eggs you have. The sci-fi show Doctor Who has the Eleventh Doctor's catchphrase Geronimo! and the crime drama Breaking Bad features Walter White's iconic line I am the one who knocks. Lastly, the iconic family sitcom Full House is remembered for Uncle Jesse's catchphrase Have mercy! and in the classic series Seinfeld, Newman's notorious line is Hello, Jerry. Catchphrases like these have become ingrained in popular culture, with fans often quoting them and using them in everyday conversations. Do you have a favorite TV show catchphrase that sticks with you? Let us know in the comments!