Tripper

The Donation Oscillation Airs Thursday, February 7 at 8/7c on CBS Penny tries to seduce an abstaining Leonard to ruin his “donation” for her ex-boyfriend, Zack (Brian Thomas Smith), and his wife, Marissa (Lindsey Kraft). Also, Wolowitz, Bernadette, Anu (Rati Gupta) and Koothrappali turn Koothrappali’s canceled bachelor party into a couple’s trip aboard the “vomit comet”.

The D & D Vortex Airs Thursday, February 21 at 8/7c on CBS When the gang finds out Wil Wheaton hosts a celebrity Dungeons and Dragons game involving William Shatner, Joe Manganiello, Kareem Abdul-Jabbar and Kevin Smith, deception and betrayal are the path to make it to the one open seat.

The Meteorite Manifestation Airs Thursday, January 31 at 8/7c on CBS Sheldon is thrilled to help Bernadette and Wolowitz navigate bureaucratic paperwork, until he discovers they are breaking the law. Also, Leonard is disappointed when his friends exclude him from a scientific project.

The Donation Oscillation Airs Thursday, February 7 at 8/7c on CBS Penny tries to seduce an abstaining Leonard to ruin his “donation” for her ex-boyfriend, Zack (Brian Thomas Smith), and his wife, Marissa (Lindsey Kraft). Also, Wolowitz, Bernadette, Anu (Rati Gupta) and Koothrappali turn Koothrappali’s canceled bachelor party into a couple’s trip aboard the “vomit comet”. Keith Carradine returns as Penny's father, Wyatt.

Season 2, Episode 15 - A Math Emergency and Perky Palms Airs February 7, 2019 at 8:30/7:30c on CBS Sheldon and Dr. Sturgis (Wallace Shawn) have their first fight when Dr. Sturgis marks a question wrong on Sheldon’s test. Also, Mary takes over for Pastor Jeff (Matt Hobby) when he’s out sick.

Season 2, Episode 14 - David, Goliath and a Yoo-hoo from the Back Airs January 31, 2019 at 8:30/7:30c on CBS Sheldon uses his new friendship with the school bully to boss Georgie around. Also, Missy steals Meemaw’s makeup for picture day.

The Meteorite Manifestation Airs Thursday, January 31 at 8/7c on CBS Sheldon is thrilled to help Bernadette and Wolowitz navigate bureaucratic paperwork, until he discovers they are breaking the law. Also, Leonard is disappointed when his friends exclude him from a scientific project. Andy Daly guest stars as Nathan. Brian Posehn and Lauren Lapkus return as Bert and Denise, respectively.

The Confirmation Polarization Airs Thursday, January 17 at 8/7c on CBS When Sheldon and Amy’s super asymmetry theory is proven by two physicists, Dr. Pemberton (Sean Astin) and Dr. Campbell (Kal Penn) from Chicago, they’re thrilled, until they try to kick Amy off the Nobel nomination. Also, Bernadette has a big success at work and Penny’s going to be a part of it – whether she wants to or not.

The second season of Young Sheldon will return to the U.K.'s E4 later this month: https://young-sheldon.com/news/young-sheldons-second-season-returns-to-uk/

Season 2, Episode 13 - A Nuclear Reactor and a Boy Called Lovey Airs January 17, 2019 at 8:30/7:30c on CBS Sheldon attempts to build a nuclear reactor. Also, a university cocktail party gets heated when Dr. Sturgis’ colleague, Dr. Linkletter, flirts with Meemaw, and Georgie is heartbroken when he learns Veronica has a boyfriend. Ed Begley, Jr. guest stars.

The Propagation Proposition Airs Thursday, January 10 at 8/7c on CBS Penny's ex-boyfriend, Zack (Brian Thomas Smith), and his wife want a baby, but when Zack is infertile, they ask Leonard for help. Also, Koothrappali attempts to mend things with his ex-fiancée, Anu.

The Confirmation Polarization Airs Thursday, January 17 at 8/7c on CBS When Sheldon and Amy’s super asymmetry theory is proven by two physicists, Dr. Pemberton (Sean Astin) and Dr. Campbell (Kal Penn) from Chicago, they’re thrilled, until they try to kick Amy off the Nobel nomination. Also, Bernadette has a big success at work and Penny’s going to be a part of it – whether she wants to or not. Sean Astin and Kal Penn guest star.

Regina King won Best Supporting Actress in a Motion Picture for If Beale Street Could Talk.

The Paintball Scattering Airs Thursday, January 3 at 8/7c on CBS Penny and Leonard organize a paintball game that results in mayhem when Sheldon is jealous of Amy. Also, Koothrappali catches Anu with her ex-boyfriend, and Stuart doesn’t want to move in with Denise.

Season 2, Episode 12 - A Tummy Ache and a Whale of a Metaphor Airs January 10, 2019 at 8:30/7:30c on CBS When Sheldon has to spend a few days in the hospital, he turns into the world’s worst patient. Also, Missy gets a taste of what life would be like without her twin.