Things are about to get explosive on King of the Nerds — literally — when The Big Bang Theory star Mayim Bialik stops by.

Bialik, along with Bill Nye the Science Guy and Blake Marggraff, serve as guest judges on Thursday's episode (10/9c, TBS), when the competing nerds discover their war rooms and must put their knowledge of science to the test. The resulting experiments, like the volcano seen below, get quite explosive:

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King of the Nerds airs Thursdays at 10/9c on TBS. Are you excited to see Bialik on the reality competition? Do you think she'll be a tough judge?