Todd Giebenhain

Leonard is surprised when his mother Beverly visits and is kind to him, until he finds out the real reason she's there. Denise and Stuart overstay their welcome at Howard and Bernadette's house.

At college, Sheldon decides to expand his responsibilities and become a dorm resident adviser; Meemaw and Dale make a sketchy business deal; Mary and George Sr. rekindle their romance.

A break-in threatens the security of the first witnesses Mary and Marshall handled together, prompting flashbacks to the way Mary joined WitSec.

When a survivalist is found dead inside his fallout shelter, Maura finds that the supposed cause of death only raises more questions.