Summer Glau is among many celebrities who played themselves in “The Big Bang Theory.” Glau appeared in a season two episode (“The Terminator Decoupling”) in which the sitcom’s male stars were awestruck when they spotted her aboard a train.

“I remember having a tremendous amount of respect for those guys,” Glau said during a 2018 interview with the Tulsa World. “I loved what they were doing from the very beginning, and I (thought) they would be on for a long time.”

A long time turned out to be 12 seasons.

The longest-running multicamera comedy series in TV history, “The Big Bang Theory” is going out with a bang.

An hourlong series finale will air at 7 p.m. Thursday, May 16, on KOTV channel 6 and will be followed by the season two finale of the spin-off show “Young Sheldon” and a 30-minute special “Unraveling The Mystery: A Big Bang Farewell.”

The special, a retrospective with clips and interviews, will feature series stars Johnny Galecki and Kaley Cuoco sharing backstage secrets and personal memories.

In honor of “The Big Bang Theory” farewell, here are a few things to know about the top-ranked comedy series:

• “The Big Bang Theory,” which debuted in 2007 and airs in syndication around the world, isn’t just an audience favorite. It’s a decorated program. The series has received 52 Emmy nominations (with 10 wins) and seven Golden Globe nominations.

• If you’re a lover of the show, you’ll recognize these words: Bazinga. Soft kitty. Rock, paper, lizard, scissors, Spock.

• With many episodes centering around the worlds of science and technology, the show gained support from the scientific community. Among things named in honor of the show: A bee species (Euglossa bazinga), a jellyfish species (Bazinga Rieki) and a monkey at the Columbus Zoo (Dr. Sheldon Cooper).

• A UCLA scholarship created by (and named for) the series debuted in 2015. The Big Bang Theory Scholarship Endowment supports undergraduate students in need of financial aid who are pursuing higher education and majoring in the fields of science, technology, engineering and mathematics (STEM).

• How about a moment of silence for Howard’s mother? Carol Ann Susi provided the bellowing voice of Howard’s mom. Susi, never seen in the series, died in 2014. To see what she looked like, catch reruns of the 1970s series “Kolchak: The Night Stalker.” Susi played cub reporter Monique Marmelstein in three episodes.

• Because “The Big Bang Theory” dealt with science and nerd culture, the show was fertile ground for high-profile encounters. A sampling of guest stars who appeared as themselves: Glau, Stan Lee, Carrie Fisher, Adam West, Mark Hamill, Bill Gates, Brent Spiner, Buzz Aldrin, Stephen Hawking, James Earl Jones, Kevin Smith, Neil deGrasse Tyson, William Shatner, George Smooth, Wil Wheaton, Neil Gaiman, LeVar Burton, George Takei, Nathan Fillion and Bill Nye.

Jimmie Tramel 918-581-8389

Twitter: @JimmieTramel

Scene Writer

Jimmie is a pop culture and feature writer at the Tulsa World. A former Oklahoma sports writer of the year, he has written books about former Oklahoma football coach Barry Switzer and former Oklahoma State football coach Pat Jones. Phone: 918-581-8389