Back when The Big Bang Theory wrapped up its 12-season run in 2019, it closed the door on one of the biggest sitcoms of the century. But let’s be real, it also left a few things.

The Big Bang Theory's spinoff can finally fix the story of Sara Gilbert's Leslie Winkle years after the original show wasted this iconic sitcom star.

The experimental Physicist, Dr. Leslie Winkle, was one of Leonard’s on-again, off-again girlfriends and Sheldon’s biggest nemesis in the earlier seasons. Leslie was one of Sheldon’s competitors as ...

Lindsay Reno (Josh Velazquez), and Leslie (Mike) Wales; great-granddaughter Bianca Velazquez-Reno; sister Bobbie (Jack) Lindsay, Florida; sisters-in-law Retha Winkle and Carolyn Winkle ...

Leslie: Just so we're clear, you understand that me hanging back to practice with you is a pretext for letting you know that I'm sexually available. Leonard: Why are you smashing a flash-frozen banana ...

While the show moved well past the era of Leslie Winkle, she should be included. Especially since, you know, she’s been up to a lot of stuff and was already famous. Also, Gilbert and her wife Linda ...

Sara Gilbert en el papel de... Leonard Hofstadter: I'm sorry about all of Sheldon's interruptions. He can be a bit of an eccentric. Leslie Winkle: If by "eccentric" you mean passive-aggressive ...

While The Big Bang Theory has plenty of great characters, not all of them stick around until the end of the show.