S01 E03 — The One With the Thumb
Monica finds it difficult to break up with her latest boyfriend (Geoffrey Lower), whom everyone likes; Chandler starts smoking again; Phoebe receives a large sum of money.

S01 E04 — The One With George Stephanopoulos
While the men attend a hockey game and end up at a hospital, the women spy on President Clinton's top aide, George Stephanopoulos, who lives across the street.

S01 E05 — The One With the East German Laundry Detergent
Chandler and Phoebe plan to dump dates on the same night at the same coffee house.

S01 E06 — The One With the Butt
An agent (June Gable) offers Joey a movie role as Al Pacino's naked body double; Chandler dates a liberal woman (Sofia Milos).

S01 E07 — The One With the Blackout
Chandler finds himself trapped in an ATM vestibule with model Jill Goodacre during a city-wide power failure.

S01 E08 — The One Where Nana Dies Twice
Monica and Ross share their feelings about death and their grandmother.

S01 E09 — The One Where Underdog Gets Away
Monica and Ross cook Thanksgiving dinner for themselves, but everyone else shows up.

S01 E10 — The One With the Monkey
The friends renege on a promise not to bring dates to their New Year's Eve party.

S09 E07 — The Spock Resonance
Sheldon struggles to keep his emotions in check when he is interviewed for a documentary about Spock; Penny and Leonard make a surprising discovery; Wolowitz and Bernadette get into a disagreement about remodeling his childhood home.

S09 E08 — The Mystery Date Observation
Sheldon, Wolowitz and Koothrappali post an ad online to find a new girlfriend for Sheldon; Penny and Bernadette decide to spy when Amy is secretive about who she is dating.

S09 E09 — The Platonic Permutation
Amy and Sheldon spend Thanksgiving at the aquarium -- as friends; Wolowitz volunteers at the soup kitchen with Raj, Emily and Bernadette; Penny realizes that Leonard knows her better than she thought.

S09 E10 — The Earworm Reverberation
Sheldon has a song stuck in his head; despite their awkward date, Amy asks Dave over for dinner; Koothrappali and Wolowitz are obsessed with a fan of their band.

S09 E11 — The Opening Night Excitation
After dating for more than five years, Amy and Sheldon spend the night together for the first time; Leonard, Wolowitz, and Koothrappali must decide what to do with an extra movie ticket.

S09 E12 — The Sales Call Sublimination
Leonard agrees to meet with a psychiatrist (Jane Kaczmarek) on Penny's behalf; Sheldon and Koothrappali work together on an astronomical discovery; Wolowitz and Bernadette struggle with their feelings when Stuart moves out.

S09 E13 — The Empathy Optimization
After dealing with Sheldon while he was sick, Leonard, Penny and the gang attempt to treat themselves to a Sheldon-free weekend.

S09 E14 — The Meemaw Materialization
Sheldon's excitement about his Meemaw's visit fades when she butts heads with Amy; Raj questions his relationship with Emily after meeting someone new.

S09 E15 — The Valentino Submergence
Amy and Sheldon host a Valentine's Day edition of Fun With Flags; Penny and Leonard wrestle with getting older; Howard and Bernadette make a discovery in their hot tub; Raj is torn between Emily and another woman.

S09 E16 — The Positive Negative Reaction
The gang celebrates news of Bernadette's pregnancy by singing karaoke; Wolowitz's reaction to the pregnancy announcement worries Bernadette; Wolowitz believes he needs to make more money to support his growing family.

S09 E17 — The Celebration Experimentation
For the first time in nine years, the gang celebrates Sheldon's birthday -- surprising him with a special guest.

S09 E18 — The Application Deterioration
Leonard, Sheldon and Wolowitz file for a patent on their new invention; Penny, Amy and Bernadette give dating advice to Koothrappali after his breakup with Emily.

S09 E19 — The Solder Excursion Diversion
Sheldon makes a surprise revelation when Amy buys him a new laptop; Leonard and Wolowitz get sold out by Koothrappali after lying to their wives to attend a movie screening.

S03 E03 — The Coup
After Jan busts Michael for having a "movie Monday," Angela pushes Dwight to make a play for Michael's job.

S03 E04 — Grief Counseling
Michael tries to help the staff grieve after learning that the former regional manager has died.

S03 E05 — Initiation
Dwight takes Ryan on his first sales call, subjecting him to an outrageous series of tests along the way.

S03 E06 — Diwali
Michael urges the staff to support Kelly and attend a local celebration of the Hindu Festival of Lights.

S03 E07 — Branch Closing
Michael strives to keep the staff's spirit up after learning of the Scranton branch shutting down; people envision how their lives will change.

S03 E08 — The Merger
Old friends Jim and Pam are back together after months apart as the Scranton branch and Stamford branch are finally merged.

Paul Atreides unites with Chani and the Fremen while seeking revenge against the conspirators who destroyed his family. Facing a choice between the love of his life and the fate of the universe, he must prevent a terrible future only he can foresee.

S06 E10 — Pancake Sunday and Textbook Flirting
Mary struggles to make new friends; Mandy pushes Georgie to date another woman.

S06 E11 — Ruthless, Toothless, and a Week of Bed Rest
Sheldon learns the university is building a database without him; Mary takes care of a bedridden Mandy and Meemaw.

S06 E12 — A Baby Shower and a Testosterone-Rich Banter
Mary butts heads with Mandy's mother, Audrey; Sheldon attempts male bonding.

S06 E13 — A Frat Party, a Sleepover and the Mother of All Blisters
Paige drags Sheldon to a college party; Missy gets caught in a lie.

S06 E14 — A Launch Party and a Whole Human Being
The Coopers can't be found as Mandy goes into labor; Sheldon is excited about the launch of his database.

S06 E15 — Teen Angst and a Smart-Boy Walk of Shame
Sheldon confronts the failure of his database; Georgie and Mandy struggle as new parents; Missy feels forgotten.

S01 E11 — The One With Mrs. Bing
Chandler learns details about his mother's (Morgan Fairchild) life when she appears on national television.

S01 E12 — The One With the Dozen Lasagnas
Rachel's Italian boyfriend tries to seduce Phoebe; Rachel accidentally reveals a secret to Ross; Monica's aunt refuses to take the lasagnas she ordered.

S01 E13 — The One With the Boobies
Phoebe's psychiatrist boyfriend (Fisher Stevens) annoys her friends with his analyses of their lives.

S01 E14 — The One With the Candy Hearts
It's Valentine's Day and, out on his first date in nine years, Ross meets up with his ex-wife; Monica, Phoebe and Rachel rebel against the spirit of the day by burning mementos of past relationships.

S01 E15 — The One With the Stoned Guy
A "high-spirited" restaurant owner wolfs down the gourmet meal Monica created as part of a job interview.

S01 E16 — The One With Two Parts
Joey asks Phoebe's sister (Lisa Kudrow in a dual role) on a date; Ross takes Lamaze classes with Carol (Jane Sibbett) and Susan (Jessica Hecht).

S01 E17 — The One With Two Parts
Monica takes Rachel to the hospital; Ross asks his dad (Elliott Gould) for advice on becoming a father.

S01 E18 — The One With All the Poker
When the girls lose money to the guys in a poker match they seek out Monica's Aunt Iris, a famous card player, for lessons and then demand a rematch.