Jim Parsons, right, and Mayim Bialik, "The Big Bang Theory." (CBS)
Just two weeks ago, a pair of “The Big Bang Theory” cast members were still engaged in extended contract negotiations, putting the future of the popular comedy’s core seven stars in doubt.

But in writing Season 10’s finale (Thursday on CBS), producers didn’t plan any alternate endings for Mayim Bialik and Melissa Rauch’s characters should the actresses not close new deals to return in the fall....

http://www.streetcurb.com/2017/05/13/big-bang-had-no-plan/