* ActorAllusion: Several times.
** Casey's (Creator/SpencerGrammer) ''Series/{{Frasier}}'' references (she's Creator/KelseyGrammer's daughter)
** Ferris Bueller references in front of the Dean (Cameron Frye from that movie).
** Abby (played by Creator/OlesyaRulin) saying she choreographed 3 [[Film/HighSchoolMusical high school musicals]] and the third one being their senior year, shortly followed with Casey saying "we're all in this together".
** In season 3, a ZBZ sister, speaking of ''Literature/TheSisterhoodOfTheTravelingPants'', comments that Costas from the movie is hot. Casey's boyfriend at the time was played by none other than Creator/MichaelRady, Costas' actor.
** Rusty's girlfriend, "Jen K," is played by Jessica Rose, aka, "WebVideo/Lonelygirl15." At one point she says living with her roommate is "like living with lonelygirl15."
** Rusty says Andy dresses like a popstar, which is fitting because he's played by Music/JesseMccartney.
** Lizzi, in the midst of a book spiel, exclaims "Little orphans are so cute!" Creator/SentaMoses, who plays Lizzi, was a little orphan herself in a touring production of ''{{Theatre/Annie}}''
* ContestWinnerCameo: One of the judges in "Mr. Purr-fect".
* RealLifeWritesThePlot: Or in this case, ''didn't''. The writers' strike bisected the first season; the producers decided to keep shooting them in 10-12 episode "chapters" and haven't looked back since.
* RomanceOnTheSet: Creator/AmberStevens (Ashley) and Creator/AndrewWest (Fisher) began dating on set and later married, even though their characters didn't last.
* WhatMightHaveBeen: Creator/ScottMichaelFoster (Cappie) originally auditioned for the role of Calvin [[note]]he actually read for both roles initially, but the network tested him farther with Calvin so he assumed that was the role he was going to end up with until they called and asked him to play Cappie[[/note]], Creator/JakeMcDorman (Evan) auditioned for Cappie, Creator/ClarkDuke (Dale) auditioned for Rusty, Creator/JacobZachar (Rusty) auditioned for Dale, and Creator/DilshadVadsaria (Rebecca) auditioned for Ashleigh.
--> '''Clark Duke''': "So thank god we got that sorted out in time."
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