Liz and Pete keep things running at TGS. Or they try they hardest to do so, at least.
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Pete Hornberger (Scott Adsit) of 30 Rock fame.
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30 Rock Quotes

I wanna roll my eyes right now, but the doctor said if I keep doing it my ocular muscles might spasm and eject my eyeballs.

Liz

[on Liz] Regular six, drunk seven.

Agent