The Best Day Ever

Summary
It's a beautiful afternoon and everyone is reminiscing about their best days. Everyone, that is, except Arthur. Is it possible he doesn't have one?

Major characters

 * Arthur
 * Binky
 * Buster
 * George
 * Sue Ellen

Minor characters

 * D.W.
 * Wally

Flashback characters

 * Alex
 * Bitzi Baxter
 * Brain
 * David Read
 * Dr. Fugue
 * Fern
 * Francine
 * George
 * Jenna
 * Kate
 * Luke
 * Maria
 * Mei Lin
 * Mr. Barnes
 * Mrs. Barnes
 * Mr. Ratburn
 * Otis
 * Paige Turner
 * Prunella
 * Puffins
 * Strawberry People
 * The Monkey King performers
 * Waiter

Mentioned characters

 * The Tough Customers

Trivia

 * During the flashback sequences, most of the voices from the old seasons have been recorded with new voices of Season 16.

Cultural references

 * This episode's title is similar to the SpongeBob SquarePants episode "Best Day Ever".

Episode connections

 * Some of Arthur's worst days are "The Lousy Week," "Arthur Plays the Blues," "Arthur's Underwear," "Arthur's Faraway Friend," and "D.W.'s Snow Mystery" and "Return of the Snowball."
 * Binky's best day is "Big Brother Binky."
 * George's best day is "Arthur's Dummy Disaster."
 * Sue Ellen's best day was "Sue Ellen's Lost Diary."
 * Buster was afraid she wrote about when he almost ate a bug in "Buster and the Daredevils."
 * Binky was afraid she wrote about when he couldn't stop rhyming in "Rhyme for Your Life."
 * George was afraid she wrote about his nosebleeds from "Vomitrocious."
 * Buster's best day was when he played checkers with Arthur in "Buster's Back."
 * The home library in the opening was seen in "Pet Projects."
 * Lying in a circle at the park is like in "The Contest."
 * Arthur remembers the events of "The Return of the King."
 * Part of this flashback included the re-made scene from "D.W., Queen of the Comeback."
 * Sue Ellen mentions publishing her diary, like Betsy Johnson in "Strangers on a Train."

Errors

 * Ratburn didn't give the quiz at the fair, but when they returned to school.
 * Arthur says that Buster was gone for a whole year in this episode, but in "Arthur's Faraway Friend" Buster was only gone for a couple of months.

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