Eagle-eyed "30 Rock" fans will have noticed a reference to an "Old Spanish" during Sunday's "Mad Men."

There's a "Workin' on my Night's Watch cheese" joke in here somewhere.

Warning to grumpy old hags at Dunkin Donuts: Tina Fey will cut a b*tch (paraphrasing).

A collection of the best GIFs from last night's series finale of "30 Rock."

The best (and worst) of what's on TV tonight, including the "30 Rock" finale.

The series finale of Tina Fey's "30 Rock" is tonight. Here's everything you need to know about it.

SHUT IT DOWN. A supercut of all of Liz Lemon's greatest lines.

A collection of moments and characters we'll miss the most, once "30 Rock" is no more.

Delete that Abed GIF because you'll never have any difficulty reacting to anything on the internet again.