Here's a list of episodes from Season 4:

Missy shot back, "Well, at least I don't spend all my time reading comic books and playing video games like some people I know."

Missy playfully rolled her eyes. "Oh, sure, because I'm just a stupid twin sister."

It was a typical day in Medford, Texas, and Sheldon Cooper was navigating his fourth year of high school. As he walked down the hallway, his friends Leonard, Howard, and Raj fell into step beside him.