6.8/104,011 votesLoading...#1 - The Matrimonial Momentum
Season 9 Episode 1 - Aired 9/21/2015
After driving to Vegas to get married, Penny struggles with Leonard’s confession that he kissed another girl. Also, Sheldon doesn't know how to act after Amy pushes pause on their relationship.
Director: Mark Cendrowski
Writer: N/A
6.8/102,641 votesLoading...#2 - The Cognition Regeneration
Season 10 Episode 22 - Aired 4/27/2017
Leonard isn’t thrilled when Penny considers taking a new job offered by her ex-boyfriend, Zack.
Director: Mark Cendrowski
Writer: N/A
6.8/102,523 votesLoading...#3 - 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
6.8/102,615 votesLoading...#4 - The Planetarium Collision
Season 12 Episode 5 - Aired 10/18/2018
When Amy doesn’t have time to work on super-asymmetry, Sheldon goes to great lengths to ensure she’s available to work with him even it if means accidentally sabotaging her career in the process. Raj doesn’t want Howard to join him in hosting a show at the planetarium.
Director: Mark Cendrowski
Writer: N/A
6.9/102,811 votesLoading...#5 - The Romance Recalibration
Season 10 Episode 13 - Aired 1/19/2017
When Penny feels that Leonard is taking her for granted, she decides to go on a spa weekend with Amy. Also, Wolowitz and Koothrappali try to fix a squeaky floorboard in the baby’s room.
Director: Mark Cendrowski
Writer: N/A
7.0/103,685 votesLoading...#6 - The First Pitch Insufficiency
Season 8 Episode 3 - Aired 9/29/2014
Wolowitz feels nervous when he is asked to throw the first pitch at a Los Angeles Angels game. Penny and Leonard want to prove Sheldon wrong after he says he and Amy are the better couple.
Director: Mark Cendrowski
Writer: N/A
7.0/103,438 votesLoading...#7 - The Champagne Reflection
Season 8 Episode 10 - Aired 11/20/2014
While Sheldon says a tearful goodbye to the final installment of "Fun with Flags", Leonard, Howard and Raj search for something significant in a dead professor's research. And Bernadette finds out what her colleagues really think of her.
Director: Mark Cendrowski
Writer: N/A
7.0/103,081 votesLoading...#8 - The Communication Deterioration
Season 8 Episode 21 - Aired 4/16/2015
When Raj is asked to create a message in case a NASA mission discovers alien life, the guys fight over what he should do. Also, Penny is torn between auditioning for a movie or keeping her successful pharmaceutical sales job.
Director: Mark Cendrowski
Writer: N/A
7.0/102,745 votesLoading...#9 - 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
7.0/102,617 votesLoading...#10 - The Tam Turbulence
Season 12 Episode 4 - Aired 10/11/2018
When Sheldon won't tell anyone why he's never mentioned his childhood best friend, Leonard takes matters into his own hands. Bernadette and Penny take out Raj’s fiancée for dinner to get the skinny on her.
Director: Mark Cendrowski
Writer: N/A
7.0/102,507 votesLoading...#11 - The Inspiration Deprivation
Season 12 Episode 19 - Aired 4/18/2019
The concept of what it would mean for women everywhere if Amy were to win a Nobel Prize causes Amy to have a meltdown. Also, Howard and Raj try to relive the good old days after Howard buys a scooter that looks like the one he had years ago.
Director: Mark Cendrowski
Writer: N/A
7.1/102,631 votesLoading...#12 - The Allowance Evaporation
Season 10 Episode 16 - Aired 2/16/2017
Sheldon and Amy have their first fight since moving in together, and Koothrappali is shocked at the realities of financial independence when he stops receiving support from his father.
Director: Mark Cendrowski
Writer: N/A
7.1/102,639 votesLoading...#13 - The Escape Hatch Identification
Season 10 Episode 18 - Aired 3/9/2017
When Raj moves out of his apartment, Leonard and Penny offer him Sheldon's old room.
Director: Mark Cendrowski
Writer: N/A
7.1/102,685 votesLoading...#14 - The Collaboration Fluctuation
Season 10 Episode 19 - Aired 3/30/2017
Leonard, Penny and Raj adjust to their new living arrangement, and Sheldon takes an interest in Amy’s work.
Director: Mark Cendrowski
Writer: N/A
7.1/102,602 votesLoading...#15 - The Gyroscopic Collapse
Season 10 Episode 23 - Aired 5/4/2017
After Leonard, Sheldon and Wolowitz celebrate the completion of the top secret air force project, they are met with an unpleasant surprise. Also, Amy is offered a summer position as a visiting researcher.
Director: Anthony Joseph Rich
Writer: N/A
7.1/102,677 votesLoading...#16 - 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
7.1/102,602 votesLoading...#17 - 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
7.1/102,560 votesLoading...#18 - 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
7.1/102,507 votesLoading...#19 - 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
7.1/102,563 votesLoading...#20 - 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
7.1/102,520 votesLoading...#21 - 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
7.1/102,500 votesLoading...#22 - The Propagation Proposition
Season 12 Episode 12 - Aired 1/10/2019
Penny runs into her ex-boyfriend, Zack, who invites her and Leonard to a dinner to meet his newlywed wife. After the dinner the newlywed couple make an odd proposition to Leonard, which makes Penny to freak out. Also, Raj attempts to mend things with his ex-fiancée, Anu.
Director: Mark Cendrowski
Writer: N/A
7.1/102,521 votesLoading...#23 - The Confirmation Polarization
Season 12 Episode 13 - Aired 1/17/2019
Sheldon and Amy are thrilled when their super asymmetry theory is proven by two physicists, until they try to kick Amy off the Nobel nomination. Also, Bernadette gets one of her drugs approved at work and wants a reluctant Penny to head the sales team.
Director: Mark Cendrowski
Writer: N/A
7.1/102,510 votesLoading...#24 - The Meteorite Manifestation
Season 12 Episode 14 - Aired 1/31/2019
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.
Director: Mark Cendrowski
Writer: N/A
7.1/102,498 votesLoading...#25 - The Conference Valuation
Season 12 Episode 17 - Aired 3/7/2019
When Penny and Bernadette go to San Diego for a pharmaceutical sales convention, Wolowitz is in charge of the kids. Also, Sheldon finds a book on experimenting on kids, and the guys plus Amy make a day of it.
Director: Mark Cendrowski
Writer: N/A
The Worst Episodes of The Big Bang Theory
Every episode of The Big Bang Theory ranked from worst to best. Explore the Worst Episodes of The Big Bang Theory!
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
Worst Episodes Summary
"The Matrimonial Momentum" is the worst rated episode of "The Big Bang Theory". It scored 6.8/10 based on 4011 votes. Directed by Mark Cendrowski and written by N/A, it aired on 9/21/2015. This episode scored 0.0 points lower than the second lowest rated, "The Cognition Regeneration".