The Best Episodes Written By Eric Kaplan

Sheldon and Amy's honeymoon runs aground in New York. Penny and Leonard discover they are uncomfortably similar to Amy's parents. Raj insults physicist Neil deGrasse Tyson and starts a Twitter war.

Director: Mark Cendrowski

Writer: Eric Kaplan

Bender grows jealous when Fry attempts to clone Seymour, his beloved fossilized dog.

Director: Swinton O. Scott III

Writer: Eric Kaplan

Bret and Jemaine pick up two women at a croissant shop - but end up with very different dating experiences. Meanwhile, Murray makes an album deal for the band.

Director: James Bobin

Writer: Eric Kaplan

Sheldon helps his roommate try to beat the stock market, Missy and Billy Sparks throw a party, and Mary finds a new church.

Director: Alex Reid

Writer: Eric Kaplan

George Sr. gets an exciting job offer, and Sheldon prepares for his move to California.

Director: Alex Reid

Writer: Eric Kaplan

With Leonard, Howard and Raj away camping in the desert, an injured Penny has only Sheldon to rely on.

Director: Mark Cendrowski

Writer: Eric Kaplan

Francis decides to surprise the family by coming home, and the power goes out in the house. Meanwhile, it's Lois who's in the dark when Hal decides to cancel their anniversary dinner in favor of a Reese-cooked meal at home. And Malcolm ends up in hot water after he sneaks three Dutch girls into the house.

Director: Steve Welch

Writer: Eric Kaplan

After more than five years of dating, Sheldon and Amy spend their first night together. Also, Leonard, Wolowitz, and Koothrappali must decide who will take their extra Star Wars movie ticket.

Director: Mark Cendrowski

Writer: Eric Kaplan

When Fry becomes infested with parasitic worms that make him stronger and smarter, he finally finds the perfect way to profess his feelings to Leela. Meanwhile, the rest of the crew goes on a journey into Fry's body to eradicate the worms.

Director: Peter Avanzino

Writer: Eric Kaplan

Lois goes over to visit Ida, but gets unpleasantly surprised by the St. Grotus Day festival. Malcolm fails a music appreciation course, and reluctantly goes to Dewey for help. Reese and Hal secretly watch scary movies while Lois is not around, but it ends up revealing some unexpected secrets about both Reese and Hal.

Director: Steve Welch

Writer: Eric Kaplan

Penny starts dating Leonard's handsome colleague; Leonard and his friends are tortured by Sheldon's obsession with gift-giving etiquette.

Director: Mark Cendrowski

Writer: Eric Kaplan

Sheldon's latest scientific breakthrough leaves him feeling like a fraud; a romantic gesture between Howard and Bernadette causes Penny to up her game with Leonard.

Director: Mark Cendrowski

Writer: Eric Kaplan

Sheldon protests when the gang drags him to Mrs. Wolowitz’s house for Thanksgiving. Meanwhile, Penny and Leonard must deal with a mistake from her past.

Director: Mark Cendrowski

Writer: Eric Kaplan

When Lois tracks down her father's "other family," she meets Victor's "other wife" Sylvia, and learns something shocking about her dad.

Director: David Grossman

Writer: Eric Kaplan

When Lois buys a brand-new king-sized bed, Hal thinks that her motive is to put more distance between them and refuses to sleep in it. Moved to tears by an opera he sees on television, Dewey is inspired to write his own operatic masterpiece, "The Marriage Bed," which is based on his parents' fight and turned into a school production. Meanwhile, Malcolm and Reese build their own street luge board; and Jamie falls head over heels for the baby girl across the street.

Director: Linwood Boomer

Writer: Eric Kaplan

As the guys don costumes and go on a road trip to a comic book convention, the ladies decide to stay home and try to interpret a comic book.

Director: Mark Cendrowski

Writer: Eric Kaplan

The fifth season ends with Howard and Bernadette deciding to get married before his NASA mission, causing the gang to scurry into overdrive in an effort to stage the wedding. NASA astronaut Mike Massimino has a cameo as himself.

Director: Mark Cendrowski

Writer: Eric Kaplan

When Amy's parents and Sheldon's family arrive, everybody is focused to make sure all wedding arrangements go according to plan – everyone except the bride and groom.

Director: Mark Cendrowski

Writer: Eric Kaplan

Sheldon's search for the answer to a physics problem leads him to work at the Cheesecake Factory with Penny.

Director: Mark Cendrowski

Writer: Eric Kaplan

Sheldon has a revelation when he realizes why a song was stuck in his head. Also, Amy invites Dave over for dinner despite their previously awkward date, and Wolowitz and Koothrappali become obsessed with a fan of their band, "Footprints on the Moon".

Director: Mark Cendrowski

Writer: Eric Kaplan

When the entire gang competes in a scavenger hunt designed by Raj, it brings out the best - and worst - in everyone.

Director: Mark Cendrowski

Writer: Eric Kaplan

Sheldon realizes he is the weakest student in his class; Meemaw is looking to expand her gambling business.

Director: Nikki Lorre

Writer: Eric Kaplan

When the guys find a ring from "The Lord of the Rings" at a garage sale, it threatens to tear them apart.

Director: Mark Cendrowski

Writer: Eric Kaplan

Sheldon's friends come to his aid when his fear of public speaking stands between him and a coveted award.

Director: Mark Cendrowski

Writer: Eric Kaplan

When Wolowitz gets to work with Stephen Hawking, Sheldon is willing to do anything to meet his hero.

Director: Mark Cendrowski

Writer: Eric Kaplan