Next on NBC Sitcoms: November 19

Coming up on November 19 are new episodes of each of NBC’s four Thursday-night sitcoms.

Community opens the comedy block at 8pm ET with “Environmental Science.”

Jeff gets into a difficult situation when his fellow students enlist him to befriend Señor Chang in order to convince the teacher to stop assigning so much homework. However, those same students get miffed later when they realize Jeff is receiving special attention from his new friend Chang.

Troy and Abed also run into a problem of their own when their biology lab subject disappears. Sneak a peek at “Environmental Science” in the preview clip at the end of this post.

Parks and Recreation comes next at 8:30pm with “Hunting Trip.” While Leslie deals with the consequences of trying be one of the guys by inviting herself on Ron’s yearly hunting trip, April and Andy strike up a friendship back at the office while the other employees are gone.

The Office and “Shareholders Meeting” follows at 9pm. While Andy, Dwight, and Oscar accompany Michael to a shareholder meeting in New York, Jim learns how difficult it is to get Ryan to actually do work at the office.

The comedy block ends at 9:30pm with 30 Rock and “Sun Tea,” which features guest stars Nathan Corddry (United States of Tara) and Chris Parnell (Saturday Night Live). Liz faces new living arrangements when her apartment building converts to condominiums, Jack and Tracy have parenthood on their minds, and Kenneth devotes himself to greening TGS.