The Big Bang Theory
The Convergence Convergence
In the last episode of the ninth series, conflict arises when Leonard's newly divorced parents and Sheldon's devoutly religious mother are all in town at the same time. And when Howard and Raj are contacted about the guidance system they've developed, they assume that the government is out to get them. Laurie Metcalf, Christine Baranski and Judd Hirsch guest star.