* FanCommunityNickname: [=EELs=], which stands for Early Edition Lovers.
* HeyItsThatGuy: So much. Many in the season 1 alone.
** It's James Tolkan! [[Film/BackToTheFuture Didn't that guy]] [[Film/TopGun ever have hair?]]
** Creator/GeorgeTakei of all people appears in "Blackout".
** Creator/LauraHarris makes an appearance in the season one episode "Mob Wife".
** [[Series/StarTrekVoyager Robert Picardo]] appears in "Faith". Robert Duncan [=McNeill=] would make an appearance two seasons later.
** Creator/RogerEbert
** JerrySpringer makes an appearance in the season three episode "Up Chuck".
** Rapper Coolio once guest stared as Julius "C-Roc" Ruby.
** William Devane made an appearance in "Home Groan"
** [[Series/DesperateHousewives Felicity Huffman]].
** [[Series/SexAndTheCity Cynthia Nixon]].
** [[Series/AllyMcBeal Jane]] [[Series/ThirtyRock Krakowski]].
** [[Series/BostonPublic Fyvush Finkel]].
** [[Series/{{Frasier}} Peri Gilpin]].
** [[Series/{{Scrubs}} Neil Flynn]].
** [[Film/SisterAct Kathy]] [[Film/HocusPocus Najimy]].
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