Having recently purchased the complete series on DVD and having watched the whole series even more recently, a couple of things caught my eye/ear:
**1)**The "laugh track" wasn’t as big a distraction as others have made it out to be, I hardly noticed it and it certainly didn’t take away my enjoyment of the show.
2 Issac, (Robert Guillaume did care deeply about everyone involved with the show, but he did a helluva job acting as if he didn’t.
3) Watching the series in one go gives a better idea of why Dan and Casey had their blowup, the dynamics behind it etc.
4) The show Jumped The Shark in the 2nd season when they started having all the characters hang out in the bar together after the show, like they didn’t have anything better to do.
5) Rebecca Wells looked nice with her new hairstyle/color.
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Jeremy was an EXTREMELY rounded character (unlike supporting roles). Especially in the second season.
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Some people don’t like the writing style, saying it’s too repetitive. I think it’s impeccable.
(CASEY: Impeccable? DAN: Impeccable, my young friend. It is, truly, impeccable.)
Maybe, but…
(17) Natalie is also really freakin’ cute. I mean, damn.
“If you can’t make money from Sports Night, you shouldn’t be in the Television business.” – or whatever the damn exact words are.
I think it was “If you can’t make money on a show like Sports Night, you shouldn’t be in the money-making business.”
A nice little zing from Aaron Sorkin to ABC.
Shall we count up the alums who’ve shown up on West Wing?
Joshua Malina, of course.
Dana Whitaker showed up in the maple syrup storyline with Toby.
I’ve seen the black SN director in the press pool grilling CJ.
Donna was on SN as a wardrobe assistant who very nicely ripped Casey a new one for not knowing the names of the support staff.
Did I miss anyone?
Nina Siemaszko appeared on West Wing as one of the Prez’s daughters. She appeared on Sports Night (she was baby sitting Casey’s son iirc) and she was in The American President as Annette Bening’s sister. An Aaron Sorkin hat trick! 
I hadn’t really been aware of the show until they had commercials showing William H. Macy would be guest starring. The first episode I saw was the one stolichnaya mentioned. I was hooked from then on.
Eric
Oh, and of course Joshua Malina was in the American President too.
Felicity Huffman and Ted McGinley from SN both appeared on WW. Timothy Busfield is on WW and directed on SN.
Some others who’ve been on both: Timothy David-Reed, Greg Baker, Jeff Mooring, Lisa Edelstein and Ron Ostrow.