Sharon Omi

When Howard finally breaks the news to his mom that he's engaged to Bernadette, it lands her in the hospital.

Claire becomes a determined neighborhood vigilante hoping to catch and stop a menacing car that speeds though their streets. Meanwhile, Phil is busy trying to land an important listing with a difficult client, Jay teaches Manny how to ride a bike -- only to learn Gloria needs lessons too -- and Mitchell and Cameron stumble upon a mysterious neighbor who is quite the charmer.

Sheldon finds himself in a fierce competition with Paige (recurring guest star MCKENNA GRACE) after their mothers force them to attend Vacation Bible School. Meanwhile, George is furious when Georgie makes a questionable purchase.

Lois joins a book club; Hal worries about getting the boys to behave while Lois is out; Francis hitchhikes through Canada with a trucker who vows to test Francis’ limits.

Conrad, Kit, Mina and the Raptor work to save the life of a med student in need of a triple-organ transplant, drawing Bell back to the OR for one of the Chastain’s riskiest surgeries yet. After the police find Julian’s empty car in a nearby lake, Devon does some investigating of his own to find out what might have happened. Meanwhile, Mina and the Raptor hound Bell to halt his business with the risky medical device company, Quovadis, and Nic makes a rash decision regarding her sister.