7.5/103,240 votes#1 - The Proposal Proposal
Season 11 Episode 1 - Aired 9/25/2017
In the eleventh season opener, Amy gives Sheldon an answer to his proposal while Howard and Bernadette struggle with some unexpected news.
Director: Mark Cendrowski
Writer: N/A
7.2/102,887 votes#2 - The Retraction Reaction
Season 11 Episode 2 - Aired 10/2/2017
Leonard angers the university – and the entire physics community – after he gives an embarrassing interview. Also, Amy and Bernadette bond over having to hide their success from Sheldon and Howard.
Director: Mark Cendrowski
Writer: N/A
7.0/102,745 votes#3 - The Relaxation Integration
Season 11 Episode 3 - Aired 10/9/2017
Sheldon and Amy struggle with picking a wedding date, which stresses out Sheldon and causes him talking in his sleep. Meanwhile, Raj and Stuart fight over the attention of one of Bernadette's co-workers.
Director: Mark Cendrowski
Writer: N/A
7.1/102,677 votes#4 - The Explosion Implosion
Season 11 Episode 4 - Aired 10/16/2017
As Howard worries about fatherhood, he and Sheldon bond when they jointly assemble a model rocket. Meanwhile, Penny bonds with Leonard's mother, Beverly, much to his concern.
Director: Mark Cendrowski
Writer: N/A
7.3/102,702 votes#5 - The Collaboration Contamination
Season 11 Episode 5 - Aired 10/23/2017
Sheldon and Raj confide in Bernadette when they can't handle Amy and Howard working together on a science project. Also, Penny and Leonard learn new tactics for how to deal with Sheldon from an unlikely source.
Director: Nikki Lorre
Writer: N/A
7.2/102,669 votes#6 - The Proton Regeneration
Season 11 Episode 6 - Aired 11/2/2017
Sheldon goes head-to-head with Wil Wheaton for the role of the new Professor Proton. Also, Penny steps in to take care of Halley when Bernadette and Howard both wind up on bed rest.
Director: Mark Cendrowski
Writer: N/A
7.4/102,695 votes#7 - The Geology Methodology
Season 11 Episode 7 - Aired 11/9/2017
Sheldon and Bert collaborate on a research project, despite Sheldon’s embarrassment. Also, Penny and Bernadette coach Raj on how to navigate his relationship with Ruchi.
Director: Mark Cendrowski
Writer: N/A
7.1/102,602 votes#8 - The Tesla Recoil
Season 11 Episode 8 - Aired 11/16/2017
Leonard and Howard are furious after they learn Sheldon went to work with the military behind their backs. Also, while Bernadette is on bed rest, she asks Raj to do some digging when she suspects that Ruchi might be trying to take over her projects at work.
Director: Anthony Joseph Rich
Writer: N/A
7.7/102,825 votes#9 - The Bitcoin Entanglement
Season 11 Episode 9 - Aired 11/30/2017
Sheldon tries to teach the guys a lesson after they cut him out of a potentially valuable Bitcoin investment. Also, a seven-year-old video reveals a secret about Leonard and Penny's relationship.
Director: Mark Cendrowski
Writer: N/A
7.3/102,618 votes#10 - The Confidence Erosion
Season 11 Episode 10 - Aired 12/7/2017
Sheldon and Amy try to eliminate stress from wedding planning by applying math to the process. Also, Raj “breaks up” with Howard after realizing his best friend is actually hurting his confidence.
Director: Mark Cendrowski
Writer: N/A
7.1/102,560 votes#11 - The Celebration Reverberation
Season 11 Episode 11 - Aired 12/14/2017
Raj and Howard's feud continues as the gang plan Halley's first birthday party. Sheldon's surprise for Amy's birthday goes awry when they get food poisoning. Also, Leonard gets a Christmas letter from his brother that causes him to spiral out about his own lack of accomplishments.
Director: Mark Cendrowski
Writer: N/A
7.4/102,607 votes#12 - The Matrimonial Metric
Season 11 Episode 12 - Aired 1/4/2018
Sheldon and Amy try to pick their Best-Man and Maid of Honor by experimenting on the gang.
Director: Mark Cendrowski
Writer: N/A
7.2/102,587 votes#13 - The Solo Oscillation
Season 11 Episode 13 - Aired 1/11/2018
When Sheldon kicks Amy out to work solo, she and Leonard bond during a series of science experiments. Also, Bert the geologist replaces Wolowitz in the band Footprints on the Moon, and Sheldon finds Penny a surprising source of scientific inspiration.
Director: Mark Cendrowski
Writer: N/A
7.2/102,640 votes#14 - The Separation Triangulation
Season 11 Episode 14 - Aired 1/18/2018
Raj finds himself in the middle of domestic drama when he learns the woman he's dating, has a very upset husband. Also, when Sheldon rents his old room back for a quiet place to work, he drives Leonard crazy by being a model tenant.
Director: Mark Cendrowski
Writer: N/A
7.4/102,581 votes#15 - The Novelization Correlation
Season 11 Episode 15 - Aired 2/1/2018
Leonard's book raises questions, and Amy guest stars on the new Professor Proton show.
Director: Mark Cendrowski
Writer: N/A
7.1/102,507 votes#16 - The Neonatal Nomenclature
Season 11 Episode 16 - Aired 3/1/2018
When Bernadette won't go into labor, the gang tries different tactics to get things started. Also, Howard confronts Bernadette after Amy accidentally reveals she's already chosen their son's name.
Director: Gay Linvill
Writer: N/A
6.8/102,523 votes#17 - The Athenaeum Allocation
Season 11 Episode 17 - Aired 3/8/2018
Leonard jumps through hoops to help secure the perfect wedding venue for Sheldon and Amy. Also, Bernadette and Howard have a hard time deciding who should stay at home with the kids and who should go back to work.
Director: Mark Cendrowski
Writer: N/A
7.1/102,563 votes#18 - The Gates Excitation
Season 11 Episode 18 - Aired 3/29/2018
Bill Gates visits Penny's work, and the gang schemes to meet him. Hilarity ensues. Meanwhile, Sheldon is convinced that he's a target of an April's Fools prank.
Director: Mark Cendrowski
Writer: N/A
7.2/102,520 votes#19 - The Tenant Disassociation
Season 11 Episode 19 - Aired 4/5/2018
When Leonard learns Sheldon is the president of the tenants association, he decides to run against him. Also, Bernadette encourages Howard and Raj to find the owner of a drone after they find it in the backyard.
Director: Mark Cendrowski
Writer: N/A
7.1/102,520 votes#20 - The Reclusive Potential
Season 11 Episode 20 - Aired 4/12/2018
A brilliant but reclusive scientist, Doctor Wolcott, invites Sheldon to his cabin in the middle of nowhere, and Leonard, Raj and Howard go along for the trip. Also, Penny and Bernadette improvise after Amy doesn’t like the tame bachelorette party they planned for her.
Director: Mark Cendrowski
Writer: N/A
7.4/102,537 votes#21 - The Comet Polarization
Season 11 Episode 21 - Aired 4/19/2018
Sheldon’s comic book store experiences changes when writer Neil Gaiman puts Stuart’s store on the map. Also, friendships are threatened when Raj takes credit for Penny's astronomical discovery.
Director: Mark Cendrowski
Writer: N/A
7.2/102,467 votes#22 - The Monetary Insufficiency
Season 11 Episode 22 - Aired 4/26/2018
Sheldon goes to Vegas to win money for science. Also, Penny and Bernadette take Amy wedding dress shopping, but her terrible choice entangles them in a web of lies.
Director: Nikki Lorre
Writer: N/A
7.7/102,658 votes#23 - The Sibling Realignment
Season 11 Episode 23 - Aired 5/3/2018
When Sheldon learns that his mother won’t attend his wedding unless he invites his brother, Georgie, he and Leonard travel to Texas to end a family feud. Also, the Wolowitz kids inadvertently infest Amy, Bernadette, Howard and Raj with pinkeye.
Director: Mark Cendrowski
Writer: N/A
9.0/104,452 votes#24 - The Bow Tie Asymmetry
Season 11 Episode 24 - Aired 5/10/2018
When Amy's parents and Sheldon's family arrive, everybody is focused to make sure all wedding arrangements go according to plan – everyone except the bride and groom.
Director: Mark Cendrowski
Writer: N/A
The Best Episodes of The Big Bang Theory Season 11
Every episode of The Big Bang Theory Season 11 ranked from best to worst. Discover the Best Episodes of The Big Bang Theory Season 11!
Physicists Leonard and Sheldon find their nerd-centric social circle with pals Howard and Raj expanding when aspiring actress Penny moves in next door.
Genre:Comedy
Network:CBS
Season 11 Ratings Summary
"The Proposal Proposal" is the best rated episode of "The Big Bang Theory" season 11. It scored 7.5/10 based on 3240 votes. Directed by Mark Cendrowski and written by N/A, it aired on 9/25/2017. This episode is rated 0.3 points higher than the second-best, "The Retraction Reaction".