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The Big Bang Theory - S09E23 - The Line Substitution Solution
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The Big Bang Theory season 9 episode 23

The Line Substitution Solution

 
Sheldon hires Stuart to spend the day with Amy when he’d rather go to a movie screening. Also, Leonard’s mother, Beverly, comes to town and Penny struggles to make a connection with her.
 
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The Big Bang Theory / S09E23 : The Line Substitution Solution
Season 9, Episode 23 | Aired on May 5, 2016 | TV-14 | 25 min. | CBS
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EPISODES
Season 9
Season 9
Season 9
Season 12
Season 11
Season 10
Season 9
Season 8
Season 7
Season 6
Season 5
Season 4
Season 3
Season 2
Season 1
Specials
 
 
  • The Big Bang Theory - Episode 1 - The Matrimonial Momentum
    Episode 1
    The Matrimonial Momentum
  • The Big Bang Theory - Episode 2 - The Separation Oscillation
    Episode 2
    The Separation Oscillation
  • The Big Bang Theory - Episode 3 - The Bachelor Party Corrosion
    Episode 3
    The Bachelor Party Corrosion
  • The Big Bang Theory - Episode 4 - The 2003 Approximation
    Episode 4
    The 2003 Approximation
  • The Big Bang Theory - Episode 5 - The Perspiration Implementation
    Episode 5
    The Perspiration Implementation
  • The Big Bang Theory - Episode 6 - The Helium Insufficiency
    Episode 6
    The Helium Insufficiency
  • The Big Bang Theory - Episode 7 - The Spock Resonance
    Episode 7
    The Spock Resonance
  • The Big Bang Theory - Episode 8 - The Mystery Date Observation
    Episode 8
    The Mystery Date Observation
  • The Big Bang Theory - Episode 9 - The Platonic Permutation
    Episode 9
    The Platonic Permutation
  • The Big Bang Theory - Episode 10 - The Earworm Reverberation
    Episode 10
    The Earworm Reverberation
  • The Big Bang Theory - Episode 11 - The Opening Night Excitation
    Episode 11
    The Opening Night Excitation
  • The Big Bang Theory - Episode 12 - The Sales Call Sublimation
    Episode 12
    The Sales Call Sublimation
  • The Big Bang Theory - Episode 13 - The Empathy Optimization
    Episode 13
    The Empathy Optimization
  • The Big Bang Theory - Episode 14 - The Meemaw Materialization
    Episode 14
    The Meemaw Materialization
  • The Big Bang Theory - Episode 15 - The Valentino Submergence
    Episode 15
    The Valentino Submergence
  • The Big Bang Theory - Episode 16 - The Positive Negative Reaction
    Episode 16
    The Positive Negative Reaction
  • The Big Bang Theory - Episode 17 - The Celebration Experimentation
    Episode 17
    The Celebration Experimentation
  • The Big Bang Theory - Episode 18 - The Application Deterioration
    Episode 18
    The Application Deterioration
  • The Big Bang Theory - Episode 19 - The Solder Excursion Diversion
    Episode 19
    The Solder Excursion Diversion
  • The Big Bang Theory - Episode 20 - The Big Bear Precipitation
    Episode 20
    The Big Bear Precipitation
  • The Big Bang Theory - Episode 21 - The Viewing Party Combustion
    Episode 21
    The Viewing Party Combustion
  • The Big Bang Theory - Episode 22 - The Fermentation Bifurcation
    Episode 22
    The Fermentation Bifurcation
  • The Big Bang Theory - Episode 23 - The Line Substitution Solution
    Episode 23
    The Line Substitution Solution
  • The Big Bang Theory - Episode 24 - The Convergence Convergence
    Episode 24
    The Convergence Convergence

The Big Bang Theory season 9 episode 23 Recap and FAQ

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Episode Summary

In "The Big Bang Theory" S9E23, Sheldon and Leonard engage in a playful word association game. Sheldon faces a dilemma between attending an Avengers screening and spending time with Amy, leading him to hire Stuart as a stand-in for shopping with Amy. Penny struggles to bond with her critical mother-in-law, Beverly. Sheldon's strict adherence to line etiquette at the screening causes a stir, while Penny and Beverly find common ground after discussing their wedding exclusion. Howard humorously fantasizes about his astronaut status.

Full Episode S09E23 Recap

### The Big Bang Theory 9x23: "The Line Substitution Solution" #### Scene 1: Breakfast Brain Game - Sheldon and Leonard play a word association game using flashcards. - Sheldon mentions elements, celebrities, and a Venn diagram joke. - Penny arrives, and Sheldon invites her to join the game. - Penny's quirky responses amuse the group. - Penny agrees to pick up Leonard's mother from the airport. #### Scene 2: The Avengers Screening Plan - The group learns about an Avengers screening with Joss Whedon. - They plan to attend but realize they need to arrive early due to first-come, first-served seating. - Sheldon faces a dilemma as Penny is busy and Amy wants him to go shopping. - Leonard jokes about Sheldon's mother's criticisms during car rides. #### Scene 3: Beverly's Arrival and Penny's Offer - Penny picks up Beverly (Leonard's mother) from the airport. - Beverly immediately starts analyzing Penny. - Penny tries to build a rapport with Beverly, proposing a mother-in-law-daughter-in-law dinner. #### Scene 4: Sheldon Hires a Line Stand-In - Sheldon hires Stuart to go shopping with Amy so he can wait in line for the Avengers screening. - The rest of the group discusses their experiences waiting in lines for various events. #### Scene 5: Beverly and Penny's Dinner - Beverly and Penny have dinner with Bernadette and Amy. - Beverly shows more interest in Bernadette and Amy's professions than in connecting with Penny. - Penny feels ignored and frustrated by Beverly's behavior. #### Scene 6: Sheldon's Apology to Amy - Sheldon apologizes to Amy for sending Stuart in his place. - He follows a structured three-step apology process. - Amy accepts the apology, and Sheldon rushes back to the movie line. #### Scene 7: Line Conflict and Resolution - Sheldon confronts a line-cutter at the Avengers screening. - He tries to rally the crowd against the line-cutter but faces criticism himself. - The group leaves, disappointed by the situation. #### Scene 8: Beverly's Revelation to Penny - Beverly admits she felt hurt not being invited to Leonard and Penny's wedding. - Penny suggests having another small ceremony with Beverly present. - Beverly finds the idea "perfectly acceptable," leading to a bonding moment with Penny. #### Scene 9: Howard's Astronaut Fantasy - Howard fantasizes about being interviewed as an astronaut hero. - The episode ends with Howard's humorous self-reflection. --- ### The Big Bang Theory 9x23: "The Line Substitution Solution" #### Scene 1: Breakfast Brain Game - Sheldon and Leonard play a word association game using flashcards. - Sheldon mentions elements, celebrities, and a Venn diagram joke. - Penny arrives, and Sheldon invites her to join the game. - Penny's quirky responses amuse the group. - Penny agrees to pick up Leonard's mother from the airport. #### Scene 2: The Avengers Screening Plan - The group learns about an Avengers screening with Joss Whedon. - They plan to attend but realize they need to arrive early due to first-come, first-served seating. - Sheldon faces a dilemma as Penny is busy and Amy wants him to go shopping. - Leonard jokes about Sheldon's mother's criticisms during car rides. #### Scene 3: Beverly's Arrival and Penny's Offer - Penny picks up Beverly (Leonard's mother) from the airport. - Beverly immediately starts analyzing Penny. - Penny tries to build a rapport with Beverly, proposing a mother-in-law-daughter-in-law dinner. #### Scene 4: Sheldon Hires a Line Stand-In - Sheldon hires Stuart to go shopping with Amy so he can wait in line for the Avengers screening. - The rest of the group discusses their experiences waiting in lines for various events. #### Scene 5: Beverly and Penny's Dinner - Beverly and Penny have dinner with Bernadette and Amy. - Beverly shows more interest in Bernadette and Amy's professions than in connecting with Penny. - Penny feels ignored and frustrated by Beverly's behavior. #### Scene 6: Sheldon's Apology to Amy - Sheldon apologizes to Amy for sending Stuart in his place. - He follows a structured three-step apology process. - Amy accepts the apology, and Sheldon rushes back to the movie line. #### Scene 7: Line Conflict and Resolution - Sheldon confronts a line-cutter at the Avengers screening. - He tries to rally the crowd against the line-cutter but faces criticism himself. - The group leaves, disappointed by the situation. #### Scene 8: Beverly's Revelation to Penny - Beverly admits she felt hurt not being invited to Leonard and Penny's wedding. - Penny suggests having another small ceremony with Beverly present. - Beverly finds the idea "perfectly acceptable," leading to a bonding moment with Penny. #### Scene 9: Howard's Astronaut Fantasy - Howard fantasizes about being interviewed as an astronaut hero. - The episode ends with Howard's humorous self-reflection. ---

Frequently Asked Questions

Who plays the word association game in the beginning of "The Big Bang Theory" Season 9, Episode 23?

Sheldon and Leonard play the word association game.

What event are the group planning to attend in this episode?

They plan to attend an Avengers screening with Joss Whedon.

Why does Sheldon hire Stuart in this episode?

Sheldon hires Stuart to go shopping with Amy so he can wait in line for the Avengers screening.

Who does Penny agree to pick up from the airport?

Penny agrees to pick up Leonard's mother, Beverly, from the airport.

What does Beverly do for a living?

Beverly is a psychiatrist.

Where does the confrontation about line-cutting take place?

The confrontation takes place in the line for the Avengers screening.

How does Sheldon apologize to Amy?

Sheldon follows a structured three-step apology process.

What issue does Beverly bring up during dinner with Penny?

Beverly brings up not being invited to Leonard and Penny's wedding.

What suggestion does Penny make to Beverly?

Penny suggests having another small ceremony with Beverly present.

How does Beverly react to Penny's suggestion for another wedding ceremony?

Beverly finds the idea "perfectly acceptable."

What character fantasizes about being an astronaut hero in this episode?

Howard fantasizes about being an astronaut hero.

What is the theme of the breakfast brain game played by Sheldon and Leonard?

The game involves word associations with elements, celebrities, and other topics.

How does Sheldon feel about his mother's criticisms during car rides?

Sheldon dislikes the 40-minute car rides where his mother criticizes every aspect of his life.

What issue does Sheldon confront at the Avengers screening?

Sheldon confronts a person who cuts the line.

What does Beverly analyze during her visit?

Beverly analyzes Penny's behavior and attempts to bond with her. ---

 
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