* CrossDressingVoices: Pamela Segal as Calvin and Elizabeth Daily as Moe, for starters.
* HeyItsThatVoice: Socrates is [[Series/TheDrewCareyShow Lewis Kinski]] and [[Series/TwoAndAHalfMen Herb Melnick]]!
* SavedFromDevelopmentHell: Season 5 Part 1 fell into some pretty bad ScheduleSlip, but garfieldodie began to take over uploading stories in Part 2.
* ScheduleSlip: Between Season 3 and 4, mirroring the delay between the same seasons of ''WesternAnimation/SpongebobSquarepants''.
** Season 5 Part 1 slipped badly after "White Noise", with "Nocturnals" being uploaded bi-''yearly'' at one point, but after it was finished Creator/{{garfieldodie}} uploaded Part 2 and explained that real life got in the way, and that both the rest of Season 5 Part 2 and the rewritten version of ''Fanfic/CalvinAndHobbesIILostAtSea'' are in development.
* WhatCouldHaveBeen: "Temporal Delay" was originally named [[Film/TerrorFromTheYear5000 "Terror from the Year 2011"]], then "2012", before adopting its current name for two reasons: the title would become dated very quickly no matter what year was chosen, and there's isn't really a "terror" in the plot of the episode.
** The Season 5 bonus chapter is ''filled'' with this. See [[Recap/CalvinAndHobbesTheSeriesUnusedIdeas this page]] for all the unused episode ideas.
* WordOfGod: The Season 5 bonus chapter provides us with a lot of this.
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