Hey Arnold!

Sid's Revenge / Roller Coaster - S3-E8

Trivia: There are two versions of this episode. Originally, the closing credits appeared over the ending scene with Eugene going around and around in the roller coaster. When Nickelodeon switched to its "squeezed" credits format, a second version was created with the credits removed from that scene, and a new set of credits (over the "normal" credits background) added to the end. (This was later done with "Principal Simmons" as well.)

AidanN

Trivia: All of the cars seen in Hey Arnold! are classic cars. You never see any modern cars - cars made after 1979.

Hey Arnold! trivia picture

Love and Cheese / Weighing Harold - S4-E7

Trivia: In 'Weighing Harold', when Arnold is in the comics store, there are comics in the background referencing other Nickelodeon shows, "Catdog" and "Spongebob Squarepants." The former had aired almost exactly a year before this episode did ('Catdog' premiered on 4/4/1998 and this episode on 4/7/1999). The later aired about a month after this episode.

April Fool's Day - S5-E14

Trivia: In this episode, Sid is voiced by Taylor Gifaldi, the younger brother of Sam Gifaldi, Sid's original voice actor. Sid was recast because Sam Gifaldi went through puberty.

zenee

Casa Paradiso / Gerald's Tonsils - S3-E3

Trivia: During the show's production, Gerald's voice actor, Jamil Walker Smith, went through puberty, which drastically deepened his voice. Since the production staff couldn't find a suitable replacement for Gerald, the episode "Gerald's Tonsils" was made to explain Gerald's voice change and allow Jamil to play Gerald for the remainder of the series.

zenee

Hey Arnold! trivia picture

Timberly Loves Arnold / Eugene, Eugene! - S5-E22

Trivia: In "Timberly Loves Arnold", when Timberly shows Arnold her flower drawing, as Sid says, "Look, it's a flower named Arnold," part of his shirt is invisible in the first frame of the shot. This can only be spotted in slow motion or with pausing, therefore it's under trivia. (00:02:22)

zenee

Hey Arnold! mistake picture

Girl Trouble / School Dance - S3-E18

Continuity mistake: Besides the fact that when Helga is sharpening her pencil, the desk arrangement changes, one of the students visible when she looks at Arnold is... Helga. This happens because the shot is taken from the episode "Helga's Love Potion."

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Dinner for Four / Phoebe Skips - S4-E5

Rhonda: She asked you to do WHAT to my Caprini cardigan?
Lila: Snip the tags out?
[Helga grabs Lila].
Helga: Lila, what are you doing? You're not supposed to ask her!
Lila: I just didn't feel right about destroying Rhonda's personal property... without getting her permission first. It seemed, well, ever so wrong.
Helga: Yeah, well, guess what? You're ever so FIRED!

zenee

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The List/Haunted Train - S1-E8

Question: Why did that boy steal Arnold's ball? Was that the whole reason he came to the park? He seemed awfully obnoxious and destined to ruin Arnold's day, just wanting more clarity. Thank you.

Answer: The episode doesn't really elaborate on who the kid was and what his motives were, so its pure speculation as to why he took it. Perhaps the kid could simply want a ball all for himself and decided to just take it, or was simply a rotten kid. The truth is the kid's motives are not important to the story other than it highlights Arnold was having a lot of trouble getting through the list.

Lummie

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