House Minority Leader Nancy Pelosi, D-Calif., will be on hand to wish Liz Lemon and friends a fond adieu on Thursday night’s series finale of “30 Rock.” Also wishing the Gang of Lemon good-day are guest stars Julianne Moore, Savannah Guthrie, Al Roker and, of course, Ice-T.

Pelosi joins the ranks of many other politicians during the past few years who have taken time to guest star on popular NBC shows such as “30 Rock,” “Parks and Recreation” and “Saturday Night Live.”

For all the DVR-ers out there, Jack Burditt, a writer for “30 Rock,” tweeted that viewers should “allow extra time at the end [of the show]. Stuff happens in the tag.”

What does that mean?