Big Caesar is an episode of Hey Arnold!.
- Layout designer Caesar Martinez was credited as "Big Caesar Martinez" because the fish itself is, in fact, a caricature of Caesar Martinez.
- The Fishing Contest celebrates the clean-up of the City Lake.
- This episode marks the first time Arnold is aware of the boarding house’s “Fishing Room”.
- Phil tried to catch Big Caesar in the past, on an October morning.
- According to Phil, he is 80 years old in this episode.
- Phil owns an autographed photo of Austro-American starlet Hedy Lamarr. As seen in the episode "Veterans Day", Phil has had this autographed photo since at least WWII.
- This episode is similar to an episode of The Simpsons where Homer goes after a giant catfish. That episode was animated by Tuck Tucker.
- When Arnold and Gerald come back to the docks, Helga remarks: "Why if it isn't the Skipper and Gilligan", a reference to Gilligan's Island
- When Arnold and Gerald see Big Caesar for the first time, Gerald says: "We're gonna need a bigger swan", a reference to the famous line of the 1975 film Jaws.
- Phoebe makes a non-speaking cameo while her name is being mentioned.
- Helga's boat is named "Olga I."
- The pyramid hat that Stinky wears resembles the symbol of the Green Eyes but it also looks strikingly similar to the Eye of Providence (also known as The All-Seeing Eye of God). Since then, it has been jokingly said that Stinky is apart of the illuminati (in which conspiracy theorists use the symbol as the symbol of the group).
- In the flashback, Phil's boat is named Pookie, after his pet name for Grandma.
- The eyes of Big Caesar blink and move, but the eyes of a fish cannot actually do this in reality.
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