Mayim Bialik \u0026 Johnny Galecki Remember Their Teenage Kiss | CONAN on TBS

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Johnny Galecki Thinks His Siblings Are Embarrassed By Him | CONAN on TBS

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Whatever Happened To Johnny Galecki After The Big Bang Theory Finale?

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Johnny Galecki CALLS OUT Kaley Cuoco For Forgetting Their Past Romance

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Watch Johnny Galecki on Set of Big Bang Theory in 2007 (Flashback)

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Big Bang Theory's Johnny Galecki Plays 20 Questions

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The Big Bang Theory Season 6 | Bloopers vs Actual Scene

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Blossom feat. Johnny Galecki (Clip) - Hub Network

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Best Unscripted Moments That Were Kept in the Show! | The Big Bang Theory

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Jim Parsons Can’t Handle Mario Lopez \u0026 Johnny Galecki’s Bromance

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Johnny Galecki SECRETLY Marries and Welcomes Baby Girl

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Kaley and Johnny discuss their favourite moments from The Big Bang Theory

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Johnny Galecki Opens Up on the Fire That Destroyed His Home

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Johnny Galecki Interviews Kaley Cuoco 2011

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Johnny Galecki Gets Real About the Ending of ‘Big Bang Theory’

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Johnny Galecki's Chicago Nickname Was \

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Top Neuroscientist: Scary TRUTH about Depression Diagnoses \u0026 How to Awaken

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Doris Roberts on playing Marie Barone on \

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Roseanne and Jackie Argue - Roseanne

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Johnny Galecki Threw Up Before His First Big Concert

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Johnny Galecki's Biggest Regret While Filming National Lampoon's Christmas Vacation - ScreenRant

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Johnny Galecki Discusses Leonard's Glasses

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