Leonard, Penny and Raj adjust to their new living arrangement, and Sheldon takes an interest in Amy’s work.

With Koothrappali cut off from his father’s fortune, he appoints Sheldon to help him get out of debt. Also, Penny considers joining Leonard at Comic-Con.

When Sheldon kicks Amy out to work solo, she and Leonard bond during a series of science experiments. Also, Bert the geologist replaces Wolowitz in the band Footprints on the…

Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system. Also, Penny and Amy take Bernadette out for the night, leaving Raj and Stuart…

Sheldon and Amy visit Leonard and Penny for the first time since the holidays and share details about their terrible trip to Texas.

Howard and Bernadette welcome their new baby and Sheldon and Amy celebrate Amy’s birthday.

Sheldon goes head-to-head with Wil Wheaton for the role of the new Professor Proton. Also, Penny steps in to take care of Halley when Bernadette and Howard both wind up…

When competitors Pemberton and Campbell charm America on a publicity tour, Sheldon and Amy try to bring Nobel laureates Kip Thorne, George Smoot and Frances Arnold to their side. Also,…

When Penny and Bernadette go to San Diego for a pharmaceutical sales convention, Wolowitz is in charge of the kids. Also, Sheldon finds a book on experimenting on kids, and…

When Howard dresses up as Sheldon for Halloween, Sheldon seeks retaliation at Leonard and Penny’s Halloween party. Leonard is shocked that Penny doesn’t remember their first kiss.

General Grant heads out in search of a drink; after the Russian Tsar is executed, Shmuck Mudman and his family head to Moscow; Shakespeare’s Writers Room; Invention of Fire; The…

Alexander Graham Bells makes (and receives) a call; Shmuck Mudman gains access to the politburo; Sigmund Freud teaches psychoanalysis.

Jesus and Mary fall in love; Shmuck and Fanny Mudman change the course of Russian history; How the Pyramids were built.

Jerry works on an app with an alien despite Rick’s warning not to and Morty’s objections. Rick tracks down his own manure mystery.

Rick and Morty raid a tomb, only to find that the heist artist Miles Knightley has beaten them to it.