Mayim Bialik
Speaking of two episodes, Mayim guest starred on the final two episodes of the show back in 1988. She played Jennifer Cole, a bubbly child. Now, we hardly need to catch anyone up on this star! She plays Neuroscientist Dr. Amy Farrah Fowler on The Big Bang Theory. Not to mention, she earned her PhD in Neuroscience so art imitates life in this case.
Mayim Bialik
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