Frances H. Arnold

The Big Bang Theory Season 12 Episode 18 The Big Bang Theory Season 12 Episode 18 7.1
The Big Bang Theory Season 12 Episode 18
Season 12
IMDb: 7.1
Air Date: 2019-04-04
21min

When competitors Pemberton and Campbell charm America on a publicity tour, Sheldon and Amy try to bring Nobel laureates Kip Thorne, George Smoot and Frances Arnold to their side. Also,…