Drop the Mic

Mayim Bialik vs. Kunal Nayyar & Ashley Tisdale vs. Nick Lachey (1x7)

Air date: Dec 05, 2017

It's a Big Bang Theory rap battle as co-stars Mayim Bialik and Kunal Nayyar go rhyme for rhyme, while High School Musical princess Ashley Tisdale challenges Nick Lachey to a battle you never knew you wanted.