Guest stars in this episode include Nate Corddry, Al Gore, Marceline Hugot, Chris Parnell, Bobb'e J. Thompson, and Tony Torn.
According to the Nielsen ratings system, the episode was watched by 5.858 million households during its original broadcast, and received a 2.9 rating/7 share among viewers in the 18–49 demographic.
When she learns that her neighbor, Brian (Nate Corddry), will not be bribed out of his apartment, she agrees to move in with him, seemingly to save money, hoping to drive him out with her behavior.
At work, Liz is disgusted by her staff writer, Frank Rossitano (Judah Friedlander) peeing in bottles to stop global warming.
Meanwhile, NBC page Kenneth Parcell (Jack McBrayer) is put in charge of reducing TGS with Tracy Jordan's carbon footprint.
[3] Morgan and Siegal, along with series producer Paula Pell, would later collaborate on the episode "Argus", that aired in the show's fourth season on April 29, 2010.
[4] "Sun Tea" originally aired on November 19, 2009, on NBC in the United States as the sixth episode of the show's fourth season.
[14] Comedian actor Chris Parnell, who played Dr. Leo Spaceman in this episode, has appeared in the main cast of Saturday Night Live (SNL),[15] a weekly sketch comedy series which airs on NBC in the United States.
[5] In "Sun Tea", "Dot Com" Slattery (Kevin Brown) pretends to be Mike Dexter, Liz's "crazy black boyfriend", to help her get Brian out of his apartment.
[24] Television columnist Alan Sepinwall for The Star-Ledger was positive about the episode, writing "This was the strongest overall Thursday this season for NBC's comedies, and 'Sun Tea' brought the evening to a fine close.
"[26] "I wouldn't claim that it was an absolutely top tier episode [...] but what the hell, it had some pretty great moments", said Sean Gandert for Paste magazine.
Gandert enjoyed Jack/Tracy and Liz's plots, respectively, was glad that Chris Parnell returned as Dr. Spaceman, and said that Gore "also rarely disappoints", but was not complimentary towards NBC "[shoehorning] its green week thing" into "Sun Tea".
[27] Time contributor James Poniewozik observed that "the best bits" from this episode were "Teddy Ruxpin the lawyer; the declaration that 'I, Bertram Geiss, am still Daddy's fancy boy'; and, especially, the show's treatment of the Green Is Universal mandate.
"[21] Bob Sassone of AOL's TV Squad gave "Sun Tea" a mixed review, noting "I don't know how funny it was, though.
"[29] Meredith Blake, writing for the Los Angeles Times, said this episode of 30 Rock was "even more of a comedy drag race than usual.