<Li> Riki Lindhome as Ramona Nowitzki </Li> <Li> Swati Kapila as Ruchi </Li> <Table> <Tr> <Th> No . overall </Th> <Th> No. in season </Th> <Th> Title </Th> <Th> Directed by </Th> <Th> Written by </Th> <Th> Original air date </Th> <Th> Prod . code </Th> <Th> U.S. viewers (millions) </Th> </Tr> <Tr> <Th> 232 </Th> <Td> </Td> <Td> "The Proposal Proposal" </Td> <Td> Mark Cendrowski </Td> <Td> Story by: Chuck Lorre & Eric Kaplan & Jeremy Howe Teleplay by: Steve Holland & Maria Ferrari & Tara Hernandez </Td> <Td> September 25, 2017 (2017 - 09 - 25) </Td> <Td> T12. 15601 </Td> <Td> 17.65 </Td> </Tr> <Tr> <Td_colspan="8"> <P> Amy enthusiastically accepts Sheldon's marriage proposal . However, when dining with Amy's colleagues later that night, Sheldon is offended that they are more impressed with Amy's work than his own . With help from Stephen Hawking, Sheldon later comes to grips with the fact that he will not always be the center of attention in the marriage . Bernadette is shocked to realize that she is pregnant again . She and Howard are not thrilled at the idea of having another baby so soon after their first . They attempt to convince Leonard and Penny to have a child as well, but are rebuffed . </P> Title reference: Sheldon's proposal of marriage </Td> </Tr> <Tr> <Th> 233 </Th> <Td> </Td> <Td> "The Retraction Reaction" </Td> <Td> Mark Cendrowski </Td> <Td> Story by: Steven Molaro & Steve Holland & Maria Ferrari Teleplay by: Dave Goetsch & Eric Kaplan & Anthony Del Broccolo </Td> <Td> October 2, 2017 (2017 - 10 - 02) </Td> <Td> T12. 15602 </Td> <Td> 14.06 </Td> </Tr> <Tr> <Td_colspan="8"> <P> Leonard gives an interview on public radio where he admits physics research might be at a dead end . The university is furious and while trying to think of reasons to put in a retraction, he depresses Sheldon who thinks Leonard might be right . Howard and Raj come over and end up just as depressed . Getting drunk with Penny, the guys go to the grave of Richard Feynman and realize there is hope for physics as long as they believe in it . Leonard accidentally sends a drunken email to Human Resources . Meanwhile, Amy and Bernadette agree with each other to keep quiet about the success in their careers so as not to upset Sheldon and Howard . While bragging to each other, they end up arguing which of their fields is better . </P> Title reference: Leonard's depression while writing a retraction of his statements on the radio . </Td> </Tr> <Tr> <Th> 234 </Th> <Td> </Td> <Td> "The Relaxation Integration" </Td> <Td> Mark Cendrowski </Td> <Td> Story by: Chuck Lorre & Steve Holland & Adam Faberman Teleplay by: Maria Ferrari & Andy Gordon & Tara Hernandez </Td> <Td> October 9, 2017 (2017 - 10 - 09) </Td> <Td> T12. 15603 </Td> <Td> 13.13 </Td> </Tr> <Tr> <Td_colspan="8"> <P> Sheldon cannot find the perfect wedding date and begins talking in his sleep, like a laid - back person who just goes with the flow . Amy and Penny believe that his subconscious mind is trying to tell him to be more relaxed; his attempt to be so while wearing flip - flops ends in disaster . He decides to leave all the wedding planning to Amy while he wears a Star Trek uniform underneath his tuxedo . Meanwhile, Stuart and Raj both become interested in Bernadette's new coworker Ruchi . While she likes them both as friends, she does not want a relationship with anyone, and Stuart apologizes to her . </P> Title reference: Sheldon trying to embrace the relaxed side of his personality . </Td> </Tr> <Tr> <Th> 235 </Th> <Td> </Td> <Td> "The Explosion Implosion" </Td> <Td> Mark Cendrowski </Td> <Td> Story by: Bill Prady & Maria Ferrari & Tara Hernandez Teleplay by: Steve Holland & Eric Kaplan & Jeremy Howe </Td> <Td> October 16, 2017 (2017 - 10 - 16) </Td> <Td> T12. 15604 </Td> <Td> 13.07 </Td> </Tr> <Tr> <Td_colspan="8"> <P> Bernadette and Howard learn their second child will be a boy, leading Howard to doubt whether he can be a good father to a son . He and Sheldon go out in the desert to test launch a model rocket, but it explodes, causing him further doubt . On the way home, Howard does a good job coaching Sheldon to drive them home, for which Sheldon tells him he will be a good teacher to his son . Leonard's mother Beverly begins talking to Penny as a friend and confidant, troubling Leonard, especially when he learns that Beverly told Penny that she is proud of her, a level of praise she never bestowed upon Leonard himself . When Leonard confronts Beverly, he is touched when she says that of all of her children's spouses, Penny is the one she is most impressed by, and that for this, she is indeed proud of him . Meanwhile, Raj helps Bernadette turn baby girl clothes into boy ones . </P> Title reference: The fate of Sheldon and Howard's model rocket . </Td> </Tr> <Tr> <Th> 236 </Th> <Td> 5 </Td> <Td> "The Collaboration Contamination" </Td> <Td> Nikki Lorre </Td> <Td> Story by: Steven Molaro & Steve Holland & Eric Kaplan Teleplay by: Dave Goetsch & Maria Ferrari & Jeremy Howe </Td> <Td> October 23, 2017 (2017 - 10 - 23) </Td> <Td> T12. 15605 </Td> <Td> 13.20 </Td> </Tr> <Tr> <Td_colspan="8"> <P> Amy and Howard begin collaborating on a neuroprosthetics project, upsetting Sheldon and Raj, who feel they are not spending as much time with them . When they seek solace with an annoyed Bernadette, she exploits the situation to trick Sheldon into doing Howard's chores . Penny employs the approaches recommended in one of Bernadette's parenting books to deal with Sheldon with success, but Leonard believes she is coddling Sheldon too much . Sheldon and Raj resolve the issue of missing their significant others by spending time together . </P> Title reference: Amy and Howard's collaboration contaminating Sheldon and Raj's moods . </Td> </Tr> <Tr> <Th> 237 </Th> <Td> 6 </Td> <Td> "The Proton Regeneration" </Td> <Td> Mark Cendrowski </Td> <Td> Story by: Steven Molaro, Dave Goetsch, Alex Yonks Teleplay by: Dave Steve Holland, Andy Gordon, Jeremy Howe </Td> <Td> November 2, 2017 (2017 - 11 - 02) </Td> <Td> T12. 15606 </Td> <Td> 14.14 </Td> </Tr> <Tr> <Td_colspan="8"> <P> Sheldon's childhood science show with Professor Proton is being rebooted . After unsuccessfully auditioning for the part, he goes to Wil Wheaton for acting tips only to find out Wil has taken the role . Talking it over with Arthur in his dreams he is still upset his idol is replaced and considers Wil an enemy again . Meanwhile, Howard gets a vasectomy while Bernadette is on bed rest . Penny offers to take care of Halley for them but they insult her by saying Penny is irresponsible . Halley ends up saying her first word by calling Penny "Mama ." </P> Title reference: The announced reboot of the Professor Proton series . </Td> </Tr> <Tr> <Th> 238 </Th> <Td> 7 </Td> <Td> "The Geology Methodology" </Td> <Td> Mark Cendrowski </Td> <Td> Story by: Steven Holland & Anthony Del Broccolo & Adam Faberman Teleplay by: Eric Kaplan & Maria Ferrari & Tara Hernandez </Td> <Td> November 9, 2017 (2017 - 11 - 09) </Td> <Td> T12. 15607 </Td> <Td> 13.80 </Td> </Tr> <Tr> <Td_colspan="8"> <P> Bert asks for Sheldon's help in a geology research project relating to dark matter . Sheldon secretly agrees, but is too embarrassed to admit he is working with rocks . Bert finds out about this and ends their partnership . After talking with Amy, Sheldon goes to apologize, only to find Leonard has taken his place . Meanwhile, Raj runs into Ruchi again and goes out with her, but she does not believe in romantic love . After Bernadette and Howard tell Raj that he can just have sex with Ruchi, he agrees to keep it casual . </P> Title reference: Sheldon working in geology with Bert . </Td> </Tr> <Tr> <Th> 239 </Th> <Td> 8 </Td> <Td> "The Tesla Recoil" </Td> <Td> Anthony Rich </Td> <Td> Story by: Chuck Lorre & Eric Kaplan & Tara Hernandez Teleplay by: Steve Holland & Maria Ferrari & Jeremy Howe </Td> <Td> November 16, 2017 (2017 - 11 - 16) </Td> <Td> T12. 15608 </Td> <Td> 13.44 </Td> </Tr> <Tr> <Td_colspan="8"> <P> After learning Sheldon went behind their backs to work with the military again, Leonard and Howard say Sheldon is like Thomas Edison, taking credit for other's ideas, while they are more like Nikola Tesla . Leonard and Howard bring in Barry Kripke to help create a better idea than Sheldon's, but Kripke goes to the military himself cutting all three of them out . Meanwhile, Bernadette fears Ruchi is trying to steal her projects at work while she is on maternity leave, and hires Raj to spy on her . Though he finds proof that Ruchi may be stealing from Bernadette, Raj tries to defend Ruchi like a boyfriend would, pointing out Bernadette's hypocrisy as she would've most likely stolen from other people's projects as well . Ruchi is not happy about this and promptly dumps Raj . </P> Title reference: The guys discussion of Tesla and Edison . </Td> </Tr> <Tr> <Th> 240 </Th> <Td> 9 </Td> <Td> "The Bitcoin Entanglement" </Td> <Td> Mark Cendrowski </Td> <Td> Story by: Steve Holland & Andy Gordon & Jeremy Howe Teleplay by: Dave Goetsch & Maria Ferrari & Anthony Del Broccolo </Td> <Td> November 30, 2017 (2017 - 11 - 30) </Td> <Td> T12. 15609 </Td> <Td> 13.84 </Td> </Tr> <Tr> <Td_colspan="8"> <P> In 2010, Leonard, Raj and Howard mined a lot of Bitcoin, worth thousands of dollars seven years later, though Sheldon chose not to participate due to tax consequences . Flashbacks are shown of how the Bitcoin ended up on a laptop, which Penny gave to her old boyfriend Zack after she and Leonard broke up . In 2017, Leonard and Penny retrieve the device from Zack, who first shows them a video of a drunken Penny apologizing for breaking up with Leonard . The Bitcoin is not found on the laptop . Sheldon had moved it to a flash drive on Leonard's key - chain to teach them a lesson, but Leonard lost it years ago . A final flashback shows Stuart discovering the flash drive, which he decides to erase and sell . </P> Title reference: The guys trying to find their old Bitcoin investment . </Td> </Tr> <Tr> <Th> 241 </Th> <Td> 10 </Td> <Td> "The Confidence Erosion" </Td> <Td> Mark Cendrowski </Td> <Td> Story by: Bill Prady & Maria Ferrari & Adam Faberman Teleplay by: Steve Holland & Eric Kaplan & Tara Hernandez </Td> <Td> December 7, 2017 (2017 - 12 - 07) </Td> <Td> T12. 15610 </Td> <Td> 14.41 </Td> </Tr> <Tr> <Td_colspan="8"> <P> When Raj loses a job interview at a planetarium, his father says he has no confidence because Howard always makes fun of him . Raj distances himself from Howard and later gets the job . Howard is hurt by this (even after apologizing to him) and tries to make amends with Raj after his first talk at the planetarium, but when he sees him get a date, he leaves without speaking to him, thinking that the latter's life is better without him . Meanwhile, Sheldon and Amy try randomly dividing up wedding tasks, but they keep arguing . The only thing they can agree on is to get married so they decide to just get married at City Hall . However, Sheldon decides that he wants a first dance with his new wife, and they go home to plan their wedding . </P> Title reference: Howard eroding Raj's confidence . </Td> </Tr> <Tr> <Th> 242 </Th> <Td> 11 </Td> <Td> "The Celebration Reverberation" </Td> <Td> Mark Cendrowski </Td> <Td> Story by: Steve Holland & Eric Kaplan & Alex Ayers Teleplay by: Dave Goetsch & Maria Ferrari & Jeremy Howe </Td> <Td> December 14, 2017 (2017 - 12 - 14) </Td> <Td> T12. 15611 </Td> <Td> 13.74 </Td> </Tr> <Tr> <Td_colspan="8"> <P> Raj and Howard are still fighting so Howard dis - invites Raj to Halley's birthday party . However, when Howard's designated party planner Stuart pulls out at the last minute, Raj agrees to plan the party, which doesn't turn out too well due to Halley being asleep, Bernadette on bed rest and no people turning up . When Raj and Howard get into a shoving match in the party's bounce house, they end up letting out their frustrations with each other, but also having fun and reconciling . Leonard is depressed upon receiving his successful brother's Christmas card and attempts to make a list of what he and Penny accomplished this year, but doesn't come up with much . This prompts them to think about their plans for the future, so they decide to go on trips and achieve more out of life together before starting a family . Sheldon cooks Amy a Little House on the Prairie - themed birthday dinner, which gives them both food poisoning . They eventually recover enough to attend Halley's birthday party with the others, where they proceed to have fun in the bouncy castle and then have sex in Howard and Bernadette's bedroom . </P> Title reference: Amy and Halley's birthday celebrations . </Td> </Tr> <Tr> <Th> 243 </Th> <Td> 12 </Td> <Td> "The Matrimonial Metric" </Td> <Td> Mark Cendrowski </Td> <Td> Story by: Maria Ferrari & Tara Hernandez & Jeremy Howe Teleplay by: Steve Holland & Eric Kaplan & Andy Gordon </Td> <Td> January 4, 2018 (2018 - 01 - 04) </Td> <Td> T12. 15612 </Td> <Td> TBD </Td> </Tr> <Tr> <Th> 244 </Th> <Td> 13 </Td> <Td> "The Solo Oscillation" </Td> <Td> TBA </Td> <Td> TBA </Td> <Td> January 11, 2018 (2018 - 01 - 11) </Td> <Td> T12. 15613 </Td> <Td> TBD </Td> </Tr> </Table> <Tr> <Th> No . overall </Th> <Th> No. in season </Th> <Th> Title </Th> <Th> Directed by </Th> <Th> Written by </Th> <Th> Original air date </Th> <Th> Prod . code </Th> <Th> U.S. viewers (millions) </Th> </Tr>

The big bang theory season 11 episode names
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