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Althea Davis is a registered nurse who managed the reception at the High-IQ sperm bank in the "Pilot" (and the Unaired Pilot), and also worked at the emergency room and on the patients' floor at the hospital. Althea also showed up in the delivery room when Bernadette was having Halley. She is played by Vernee Watson. She deals with situations in a sarcastic and cynical, but serious manner.

Her name is not in the credits (other than on her name tag), but she is credited as "Althea".

Apart from the main characters Leonard and Sheldon, she is the only character transferred from the original Unaired Pilot to the current series.

She also appeared in Young Sheldon.

Series overview

Unaired Pilot

In the "Unaired Pilot" she is the receptionist in the sperm bank. Leonard annoys her by finishing her crossword puzzle quickly for her, and Sheldon aggravates her when he tries to change his mind about donating sperm and want "it" back.

Season 1

Her first official appearance in the series was in the "Pilot" where she again serves as the receptionist in the sperm bank. While the scene is similar to that of the "Unaired Pilot", in this one Sheldon changes his mind and talks Leonard out of it before they donate, as he believes they are committing genetic fraud. They try to quietly leave the place, but Althea says "bye" to them loudly across the room and they awkwardly return the gesture.

  • There is an earlier "Final Sales Version" of the "Pilot" which has the sperm bank scene much closer to that of the "Unaired Pilot". Leonard and Sheldon have made the deposits, but Sheldon truly changes his mind and asks for his sperm back, much to Althea's exasperation. She sarcastically responds, "Should I leave it in the cup, or do you want me to see if I have a crystal vase?"

In "The Peanut Reaction" (S01E16), Howard and Leonard show up with Howard faking a peanut allergy attack. He tries to bribe Althea into giving him a false check-up so Leonard will not find out about his surprise birthday party, but Althea is not in the mood for his game. He is forced to eat a peanut bar in order to convince her to go along with it. In return, he was going to get introduced to a sexually promiscuous woman by Penny.

Season 4

After being absent for two seasons, she returns in "The Robotic Manipulation" (S04E01) when Howard gets his penis caught in the hand of a robotic arm and is brought to the hospital by Rajesh Koothrappali and Leonard. Althea is amazed by Howard's predicament. She asks where the rest of the robot is, and Howard replies that he built only the arm, and she mockingly asks him if that is all he needed. Then she announces in the public address system, "I need an orderly with a wheelchair. I got a robot hand grasping a man's penis out here." It draws everybody's attention to Howard. Irritated he asks her if she could be more discreet. But she responds that they don't have a code for "robot hand grasping a man's penis". Without much thought, she quickly solves the problem by simply turning off the computer controlling the hand.

Season 5

Althea is less than sympathetic.

Sheldon sneaks into the hospital and tries to bring his barber out of a coma so as to have a haircut in "The Werewolf Transformation" (S05E18). Althea catches him there with a pair of scissors. She assumes he is a mental disorder|mentally unstable patient from a different floor and deems him dangerous. Sheldon leaves as she calls for security.

Season 10

She appeared in "The Birthday Synchronicity" as a delivery room nurse when Bernadette was having her baby. First she wonders if there is a "Mama Mia" scenario when one pregnant lady shows up with three fellows. Raj is the person who knows how far apart the contractions are and that he knows what sex the baby is. Since the contractions are over twelve minutes apart, Althea sends them home AND suggests a home birth.



  • When she sees Leonard in "The Peanut Reaction" and Sheldon in "The Werewolf Transformation", she does not seem to recognize either of them from the Pilot. Though in the former episode, she was mainly focused on Howard.
  • Vernee Watson often plays nurses in her character roles and has appeared on other Chuck Lorre Productions' shows.
  • When Althea meets Howard and Bernadette while she is in labor, she doesn't remember Howard showing up in her ER with a robot hand grasping his penis. That should have been memorable. 
  • Althea's surname is finally revealed as "Davis" on her name tag in "The Birthday Synchronicity". However, in Young Sheldon, Sheldon refers to her as Nurse Robinson. She is probably not the same character since this show takes place 30 years before "The Big Bang Theory".


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The Big Bang Theory Characters, Cast & Crew
Characters Main Leonard Hofstadter  ‧  Sheldon Cooper  ‧  Penny  ‧  Howard Wolowitz  ‧  Rajesh Koothrappali  ‧  Amy Farrah Fowler  ‧  Bernadette Rostenkowski-Wolowitz  ‧  Stuart Bloom  ‧  Emily Sweeney (formerly)  ‧  Leslie Winkle (formerly)  ‧  The Social Group
Recurring/Minor Debbie Wolowitz  ‧  Barry Kripke  ‧  Priya Koothrappali  ‧  Dr. V. M. Koothrappali  ‧  Mrs. Koothrappali  ‧  Stephanie Barnett  ‧  Lucy  ‧  Mary Cooper  ‧  Zack Johnson  ‧  Beverly Hofstadter  ‧  Mike Rostenkowski  ‧  Alex Jensen  ‧  Professor Proton  ‧  Missy Cooper  ‧  Ramona Nowitzki  ‧  Dan  ‧  Josh Wolowitz  ‧  Dennis Kim  ‧  Althea Davis  ‧  Jeanie  ‧  Cinnamon  ‧  Mrs. Rostenkowski  ‧  Wyatt  ‧  Claire  ‧  Kurt  ‧  Eric Gablehauser  ‧  Dave Gibbs  ‧  Dimitri  ‧  Alfred Hofstadter   ‧  Meemaw  ‧  Jimmy Speckerman  ‧  Susan  ‧  Randall  ‧  Bert Kibbler  ‧  President Siebert  ‧  Janine Davis  ‧  Colonel Richard Williams  ‧  Halley Wolowitz  ‧  Neil Michael Wolowitz  ‧  Denise  ‧  George Cooper Jr.   ‧  Larry Fowler  ‧  Anu  ‧  George Cooper Sr.  ‧  Marissa
Cast Regulars Johnny Galecki  ‧  Jim Parsons  ‧  Kaley Cuoco  ‧  Simon Helberg  ‧  Kunal Nayyar  ‧  Mayim Bialik  ‧  Melissa Rauch  ‧  Kevin Sussman  ‧  Laura Spencer  ‧  Sara Gilbert  ‧ 
Recurring/Minor Christine Baranski  ‧  Aarti Mann  ‧  John Ross Bowie  ‧  Casey Sander  ‧  Stephen Merchant  ‧  Sara Rue  ‧  Kara Luiz  ‧  Brian Thomas Smith  ‧  Margo Harshman  ‧  Alessandra Torresani  ‧  Matt Bennett  ‧  Keith Carradine  ‧  Laurie Metcalf  ‧  Judd Hirsch  ‧  Carol Ann Susi  ‧  Meagen Fay  ‧  Brian George  ‧  Alice Amter  ‧  Courtney Henggeler  ‧  June Squibb  ‧  Katey Sagal  ‧  Jack McBrayer  ‧  Dean Norris  ‧  Brian Posehn  ‧  Mark Harelik  ‧  Joshua Malina  ‧  Brian Patrick Wade  ‧  Kate Micucci  ‧  Regina King  ‧  Jerry O'Connell
As Selves Wil Wheaton  ‧  Mike Massimino  ‧  Stephen Hawking  ‧  Kip Thorne  ‧ Katee Sackhoff  ‧ Steve Wozniak  ‧ Buzz Aldrin  ‧ Summer Glau  ‧ James Earl Jones  ‧ Carrie Fisher  ‧  Brent Spiner  ‧ Howie Mandel  ‧ Bill Nye  ‧ George Smoot  ‧ George Takei  ‧ LeVar Burton  ‧ Neil deGrasse Tyson  ‧ Brian Greene  ‧ Charlie Sheen  ‧ Stan Lee  ‧ Adam West  ‧  Mark Hamill  ‧ Kevin Smith  ‧  William Shatner  ‧  Joe Manganiello  ‧  Kareem Abdul-Jabbar  ‧  Sarah Michelle Gellar
Crew Writers Chuck Lorre * (Creator)  ‧  Bill Prady * (Creator)  ‧  Steven Molaro *  ‧  Steve Holland *  ‧  Maria Ferrari *  ‧  Jim Reynolds *  ‧  Eric Kaplan *  ‧  Anthony Del Broccolo  ‧  Lee Aronsohn *  ‧  Dave Goetsch *  ‧  Tara Hernandez  ‧  Richard Rosenstock *
Directors Mark Cendrowski  ‧  Peter Chakos * (mainly as Editor)  ‧  Anthony Rich  ‧  James Burrows
Science consultant : David Saltzberg Director of photography : Steven V. Silver
Costume designer : Mary T. Quigley * Unit production manager : Kelly-Anne Lee *
Theme composer / performer : Barenaked Ladies Chuck Lorre Productions
also as Producer The Big Bang Theory : Full cast & crew on IMDb