/Heres What The “Big Bang Theory” Cast Looked Like In Their First Season Compared To Now

Heres What The “Big Bang Theory” Cast Looked Like In Their First Season Compared To Now

After 12 long years, The Big Bang Theory is coming to an end, making it the longest-running multi-camera sitcom in TV history.

In honor of the series finale, here’s a look back at the cast:

Kaley Cuoco as Penny


CBS

Season 1, Episode 1, “Pilot” vs. Season 12, Episode 23, “The Change Constant.”

Jim Parsons as Sheldon Cooper


CBS

Season 1, Episode 2, “The Big Bran Hypothesis” vs. Season 12, Episode 23, “The Change Constant.”

Johnny Galecki as Leonard Hofstadter


CBS

Season 1, Episode 2, “The Big Bran Hypothesis” vs. Season 12, Episode 22, “The Maternal Conclusion.”

Kunal Nayyar as Rajesh Koothrappali


CBS

Season 1, Episode 3, “The Fuzzy Boots Corollary” vs. Season 12, Episode 17, “The Conference Valuation.”

Simon Helberg as Howard Wolowitz


CBS

Season 1, Episode 1, “Pilot” vs. Season 12, Episode 22, “The Maternal Conclusion.”

Melissa Rauch as Bernadette Rostenkowski-Wolowitz


Michael Yarish / WARNER BROS.

Season 3, Episode 10, “The Gorilla Experiment” vs. Season 12, Episode 22, “The Maternal Conclusion.”

Mayim Bialik as Amy Farrah Fowler


/ CBS

Season 4, Episode 5, “The Desperation Emanation” vs. Season 12, Episode 22, “The Maternal Conclusion.”

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