Trivia: The Simpsons holds the record for most guest stars; it is also the only non-variety show to have had appearances from three former Beatles (Paul, George and Ringo).
Trivia: Carrie is the only main character who never appears nude (she is either dressed or covered by something). Sarah Jessica Parker had a strict "no nudity" clause in her contract.
A Deadly State of Mind - S4-E6
Trivia: Unusually enough for a television show devoted to a homicide detective and the way he unravels the plans of cunning murderers, the fact is that Columbo has nothing to do in this episode. Doctor Collier is seriously assaulted by Carl Donner who then goes on to violently attack his wife. Use of deadly force to prevent such an attack is allowed in the United States. Collier does not commit murder; he doesn't even commit a crime. You'd think such a hightly educated man would know enough to keep his head, call the police and explain what had happened. He wouldn't even be charged.
Trivia: On May 16, 2000, 28 years after the debut of "Emergency!" on television, due to the profound impact "Emergency!" had on the American EMS system, key props and memorabilia from the show were inducted into the Smithsonian Institution's National Museum of American History, Division of Cultural History - the Public Service sector, located in Washington, D.C. Some of the items included: Original scripts, Biophone, trauma boxes, defibrillators, monitor, radios, turnout gear, helmets, and Roy's and Johnny's uniforms.
The Holographic Excitation - S6-E5
Trivia: In this episode, Sheldon and Amy are trying to decide on couples' themed Halloween costumes. Sheldon is standing in front of the dry erase board. There are 2 columns written on the board. One named "Couples I Like" and the other "Couples You Like." Under the "Couples You Like" column, one of the couples is Blossom and Joey. Blossom is the name of the television character played by Mayim Bialik in the 90s and Joey was one of her brothers.
Trivia: Matthew Perry's wit is so legendary that the scriptwriters have often incorporated his gags into the show.
Trivia: Frank dresses up as Frankenstein in this episode for an in-joke alluding to the role he played in 1974's Young Frankenstein.
Trivia: Ted Cassidy, best known for his role as Lurch in the hit TV series "The Addams Family", did the opening narration for the show as well as the vocal effects for the Hulk. Sadly, Ted Cassidy died during production of Season 2. The Hulk's vocal effects were then done by actor Charles Napier for the rest of the show. Ted Cassidy's voice was still used for the opening narrations of all seasons.
Trivia: When Al and Peg are in the video store looking for a movie to rent, the video store is giving away free copies of the movie Dutch. Dutch is a comedy that starred Ed O'Neill.
Trivia: Although Len Cariou plays Tom Selleck's father, he's only five years older than Selleck.
Band Candy - S3-E6
Trivia: The accent that Giles uses as his teenage self is Anthony Head's natural accent.
Trivia: John Mahoney plays Kelsey Grammer's father in the series, even though in real life he's only 15 years older than Grammer.
Trivia: Gene Roddenberry created the transporter as an easier (and cheaper) way of getting Enterprise crew members onto a planet's surface, rather than landing the ship on the planet.
One Henry, Three Girls: Part 1 - S2-E2
Trivia: When Kid Danger and Veronica are about to kiss in the park, the old man who stop them is holding a book called "Good Burger." The show's writer, Dan Scheider also wrote for the show Good Burger.
Trivia: The flight attendant Monk drives crazy in 1-13 is played by his real-life wife. She also plays Sheriff Butterfield in "Monk visits a farm"and the crazy cat lady in 8-14.
Trivia: Ben Sullivan, Dr. Cox's best friend and brother-in-law, loves his camera and takes pictures everywhere he goes. Brendan Fraser, who plays Ben, has a great interest for photography in real life.
Trivia: Katie Holmes is the only actor/actress who appears in every episode
Trivia: When Carly and the team are facing the professional Chef, Carly says, "Add the Peruvian Puff Peppers." This pepper is also mentioned in "Drake and Josh", but in "Drake and Josh" it was illegal in the United States.