Scrubs' amazing Wizard of Oz episode included JD in ruby red shoes and Dr. Cox as The Great and Powerful Oz himself. Bonus Track: Somewhere Over the Rainbow as performed by Ted's real life acappella band The Blanks.
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"My Way Home" - Scrubs as the Wizard of Oz
Fringe loves to get freaky. But the animated comic book episode took this drug tripping multiverse to a whole other level.
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"Lysergic Acid Diethylamide" - Fringe
30 Rock's reality show parody 'Queen of Jordan' is so addicting, it's only a matter of time before Angie Jordan gets her own spin off.
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"Queen of Jordan" - 30 Rock
Sam and Dean are thrown through a montage of TV parodies including a 90's sitcom, Grey's Anatomy, a Japanese Game Show, a herpes commercial and CSI: Miami in this hilarious episode of Supernatural.
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"Changing Channels" - Supernatural
Hush is probably one of the most famous episodes of Buffy ever made - because it's basically a silent film. With only 17 minutes of dialogue in the entire episode, the rest is just score, sound effects, and phenomenal acting.
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"Hush" - Buffy
Kyle's luscious flowing red locks during an 'impromptu' song and dance number is the cherry on top of this High School Musical episode of South Park.
"Elementary School Musical" - South Park
The cardinal rule of Doctor Who? Always more of the Doctor. Which is why Blink makes the list as the only episode in the series that's virtually Doctor-less.
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"Blink" - Doctor Who
The Adventure Time episode where Fionna and Cake, Finn and Jake - Girl Version, debut has to be one of the most imaginative gender swapping episodes in TV history. Perhaps also, the only one. Bonus Track: Neil Patrick Harris stars as Prince Gumball and sings Fionna a love song.
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"Fionna and Cake" - Adventure Time
Dollhouse never quite got off the ground, but Epitaph One and Two showed us how glorious a gritty, post-apocalyptic version of the show could have been.
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"Epitaph One" and "Epitaph Two: Return" - Dollhouse
And last but certainly not least, Community's infamous claymation episode features all your favorite characters in size extra-adorable. Take one look at BrittaBot and tell me you're not a little in love.
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"Abed's Uncontrollable Christmas" - Community