10 Side Characters Totally Stole the Show on The Big Bang Theory

Welcome back to Dr. Vibo, where today we’re counting down our picks for the 10 Side Characters Who Totally Stole the Show on The Big Bang Theory.
Even The Big Bang Theory’s main cast couldn’t hold all the spotlight!

From Mrs. Wolowitz’s booming voice to Kathy Bates’ unforgettable Mrs. Fowler, these are the supporting stars who turned short screen time into legendary sitcom moments.
We’re revisiting the funniest, most surprising, and most heartwarming appearances — from Wil Wheaton’s geeky chaos, to Beverly Hofstadter’s rare emotional breakdown, and even Professor Proton’s Jedi wisdom.

Because in The Big Bang Theory, sometimes the side characters shine even brighter than Sheldon himself.

💬 Which side character made you laugh the hardest? Tell us in the comments — and don’t forget to subscribe for more Big Bang Theory deep dives, character rankings, and sitcom nostalgia right here on Dr. Vibo.

⏱️ Timestamps

0:00 – Intro
0:25 – Penny’s Family Makes an Impression
1:42 – Zack and the Science Dudes
2:50 – Wil Wheaton on Fun With Flags
4:02 – Beverly Hofstadter Gets Drunk
5:00 – Beverly Hofstadter vs. Mary Cooper
6:05 – Professor Proton Brings the Force
7:00 – Mary Cooper Tours Hollywood
8:00 – Meeting Mrs. Fowler (Kathy Bates)
9:10 – Stuart Shows Up Mark Hamill
10:25 – Mrs. Wolowitz Steals Every Scene
11:30 – Extra scenes

🧩 About This Video

If you think The Big Bang Theory was all about Sheldon, Leonard, and Penny — think again.
This countdown celebrates the scene-stealers, cameo legends, and side characters who made the sitcom even more unforgettable.
We’ll look at everything from comic convention chaos to motherly meltdowns, and remind you why these characters deserve their own spinoff.

📺 Watch Next

10 Times Howard Wolowitz Was the Best on The Big Bang Theory.

20 Plot Holes You Didn’t Notice in The Big Bang Theory.

10 Times Sheldon Surprised Everyone.


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