In the Scorpion episode ‘Mother Load’, Paige’s (Katharine McPhee) estranged mother Veronica shows up needing help. Veronica has accidentally uncovered a forgotten nuclear reactor that’s about to blow.
Paige’s mother is portrayed by Lea Thompson. She’s known for her TV roles on Switched at Birth (Kathryn Kennish) and Caroline in the City (Caroline), among others. Thompson is also well recognized for her roles in the films Back to the Future, SpaceCamp (Kathryn), Howard the Duck (Beverly), Red Dawn (Erica), and All the Right Moves opposite Tom Cruise (Lisa). Scorpion airs Mondays at 10pm on CBS.