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.

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

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.

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

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.

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.

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

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

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.

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

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.

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.

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

With the help of a $300 government refund, the Planet Express crew pursue their dreams and desires.

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.

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.

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

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".

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

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.

Penny tags along on Sheldon's first ever date; Wolowitz finds a new use for a robotic arm.

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.

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

Sheldon and Amy decide to start several rumors about the others as a test. Meanwhile, Howard takes his relationship with Bernadette to even higher level.

When the University reassigns Sheldon’s parking spot to Wolowitz, their fight affects the whole gang.