S03 E10 — Safety First
Oscar tries to fix a roof; Brent and Karen write a kid's book on bike safety.

S03 E11 — Hairloss
Brent fears he is losing his hair; Wanda gets a new lamp and has to fight to keep it.

S04 E17 — Big Negotiations and Broken Expectations
Dan enlists the help of a few good friends for the funeral home remodel; Louise points out that Dan's generosity with his time seems to benefit everyone but her; Robin and Darlene take a big career risk that may not pay off the way they expect it to.

S07 E11 — A Little Snip and Teaching Old Dogs
George Sr. is worried that Mary wants another baby and gets a vasectomy behind her back; Dr. Linkletter and Dr. Sturgis go to Sheldon for science tutoring.

S07 E10 — Community Service and the Key to a Happy Marriage
Meemaw gets assigned a tough probation officer; Georgie takes marriage advice from his father-in-law.

S07 E12 — A New Home and a Traditional Texas Torture
George Sr. gets an exciting job offer; Sheldon prepares for his move to California.

S02 E03 — My Ex's Ex
J.D. reintroduces an old flame into Elliot's life, as his new relationship continues to blossom; Turk tries a new approach to keeping the spark alive at home.

S12 E18 — The Laureate Accumulation
When competitors Pemberton and Campbell charm America on a publicity tour, Sheldon and Amy try to win over Nobel laureates Kip Thorne, George Smoot and Frances Arnold; Halley's fear of the dark leads to opportunity and conflict.

S12 E19 — The Inspiration Deprivation
The weight of winning a Nobel Prize weighs heavy on Amy's shoulders; Koothrappali and Wolowitz try to relive the good old days after Wolowitz buys a scooter that looks like the one he had years ago.

S12 E20 — The Decision Reverberation
Koothrappali is worried people won't take him seriously in his own field after publishing a paper that suggests he may have discovered alien life; Leonard wants to be the principal investigator on a plasma physics study.

S04 E17 — Big Negotiations and Broken Expectations
Dan enlists the help of a few good friends for the funeral home remodel; Louise points out that Dan's generosity with his time seems to benefit everyone but her; Robin and Darlene take a big career risk that may not pay off the way they expect it to.

S04 E18 — The Best Laid Plans, a Contrabassoon and a Sinking Feeling
Darlene struggles to cope with the stress of construction; Lou returns as Mark's combative contrabassoon teacher.

S07 E13 — Funeral
Sheldon leaves East Texas for the California Institute of Technology following the death of his father, George Cooper Sr.

S07 E14 — Memoir
Young Sheldon ends its seven-year run with a must-see two-episode series finale; Jim Parsons and Mayim Bialik reprise their roles as Sheldon Cooper and Amy Farrah Fowler in an unforgettable hour of television.

S01 E01 — Pilot
Sheldon learns that his high intelligence isn't always helpful growing up in East Texas, where church and football are king.

S01 E02 — Rockets, Communists, and the Dewey Decimal System
To appease his mother, Sheldon goes on a quest to make his first friend by following techniques in a self-help book.

S12 E18 — The Laureate Accumulation
When competitors Pemberton and Campbell charm America on a publicity tour, Sheldon and Amy try to win over Nobel laureates Kip Thorne, George Smoot and Frances Arnold; Halley's fear of the dark leads to opportunity and conflict.

S12 E19 — The Inspiration Deprivation
The weight of winning a Nobel Prize weighs heavy on Amy's shoulders; Koothrappali and Wolowitz try to relive the good old days after Wolowitz buys a scooter that looks like the one he had years ago.

S12 E21 — The Plagiarism Schism
Kripke has proof that Dr. Pemberton plagiarized his thesis in college, and Sheldon and Amy aren't sure if they should turn him in or not; Wolowitz learns that Bernadette wasn't the only waitress at the Cheesecake Factory who had a crush on him.

S12 E22 — The Maternal Conclusion
Leonard is pleasantly surprised when Beverly comes to visit, and she's genuinely kind to him, until he finds out the real reason she's there; Denise and Stuart overstay their welcome at the Wolowitz house.

S03 E02 — Temporary Relief Assistant Trailer Park Supervisor
Ricky's job as Temporary Relief Assistant Trailer Park Supervisor threatens to blow the cover on Julian's bootleg vodka operation.

S03 E03 — If I Can't Smoke and Swear, I'm F...ed
Julian and Bubbles are charged with running an illegal gas station.

S12 E18 — The Laureate Accumulation
When competitors Pemberton and Campbell charm America on a publicity tour, Sheldon and Amy try to win over Nobel laureates Kip Thorne, George Smoot and Frances Arnold; Halley's fear of the dark leads to opportunity and conflict.

S12 E19 — The Inspiration Deprivation
The weight of winning a Nobel Prize weighs heavy on Amy's shoulders; Koothrappali and Wolowitz try to relive the good old days after Wolowitz buys a scooter that looks like the one he had years ago.

S12 E21 — The Plagiarism Schism
Kripke has proof that Dr. Pemberton plagiarized his thesis in college, and Sheldon and Amy aren't sure if they should turn him in or not; Wolowitz learns that Bernadette wasn't the only waitress at the Cheesecake Factory who had a crush on him.

S12 E22 — The Maternal Conclusion
Leonard is pleasantly surprised when Beverly comes to visit, and she's genuinely kind to him, until he finds out the real reason she's there; Denise and Stuart overstay their welcome at the Wolowitz house.

S03 E02 — Temporary Relief Assistant Trailer Park Supervisor
Ricky's job as Temporary Relief Assistant Trailer Park Supervisor threatens to blow the cover on Julian's bootleg vodka operation.

S03 E03 — If I Can't Smoke and Swear, I'm F...ed
Julian and Bubbles are charged with running an illegal gas station.

S07 E13 — Funeral
Sheldon leaves East Texas for the California Institute of Technology following the death of his father, George Cooper Sr.

S07 E14 — Memoir
Young Sheldon ends its seven-year run with a must-see two-episode series finale; Jim Parsons and Mayim Bialik reprise their roles as Sheldon Cooper and Amy Farrah Fowler in an unforgettable hour of television.

S12 E21 — The Plagiarism Schism
Kripke has proof that Dr. Pemberton plagiarized his thesis in college, and Sheldon and Amy aren't sure if they should turn him in or not; Wolowitz learns that Bernadette wasn't the only waitress at the Cheesecake Factory who had a crush on him.

S12 E22 — The Maternal Conclusion
Leonard is pleasantly surprised when Beverly comes to visit, and she's genuinely kind to him, until he finds out the real reason she's there; Denise and Stuart overstay their welcome at the Wolowitz house.

S04 E17 — Big Negotiations and Broken Expectations
Dan enlists the help of a few good friends for the funeral home remodel; Louise points out that Dan's generosity with his time seems to benefit everyone but her; Robin and Darlene take a big career risk that may not pay off the way they expect it to.

S04 E18 — The Best Laid Plans, a Contrabassoon and a Sinking Feeling
Darlene struggles to cope with the stress of construction; Lou returns as Mark's combative contrabassoon teacher.

S03 E12 — Ruby Newsday
Lacey starts a coffee shop newsletter; Oscar's childhood dream.

S03 E14 — Friend of a Friend
Lacey's friend Connie comes to Dog River; Davis thinks Karen would make a bad undercover cop.

S03 E15 — Block Party
It's Dog River's 100th birthday and Hank wants to pay tribute by building a scale model of the town using Lego blocks; like any artist, he demands perfection.

S03 E16 — Physical Credit
Davis shapes up; Brent and Lacey compete to get a secret from Karen.

S03 E17 — Telescope Trouble
Brent enters into a long-term relationship; Wanda's telescope.

S03 E18 — Bean There
A simple jar of jellybeans turns Dog River's park from a dilapidated local hazard into full-blown scandal.

S12 E23 — The Change Constant
Sheldon and Amy await big news.

S12 E24 — The Stockholm Syndrome
Bernadette and Wolowitz leave their kids for the first time; Penny and Leonard try to keep a secret; Sheldon and Amy stick together; Koothrappali makes a new friend; the gang travels together into an uncharted future.

S01 E01 — Pilot
Leonard is happy to meet new neighbor Penny, but his roommate thinks he is chasing an impossible dream.

S01 E02 — The Big Bran Hypothesis
Leonard volunteers to sign for a package, hoping to make a good impression on Penny.

S01 E03 — The Fuzzy Boots Corollary
Unhappy to learn that Penny is seeing someone, Leonard summons the courage to ask another woman on a date.

S01 E04 — The Luminous Fish Effect
Getting fired gives Sheldon the opportunity to explore life beyond physics, but when he spends his time weaving ponchos and acting like a shut-in, Leonard calls Sheldon's mother for assistance.

S01 E05 — The Hamburger Postulate
Leonard, realizing his pursuit of Penny is fruitless, has an unexpected encounter with a fellow scientist (Sara Gilbert).

S01 E07 — The Dumpling Paradox
Penny sleeps on Leonard and Sheldon's couch when Wolowitz seduces her friend and takes over her apartment; in need of a fourth member, the guys ask Penny to join their "Halo" team.