Shane Blades

Amy and Sheldon host a Valentine's Day edition of Fun With Flags; Penny and Leonard struggle with getting older; Howard and Bernadette make a discovery in their hot tub; Raj is torn between Emily and another woman.

Mary faces off with Sheldon's drama teacher about plans for a church Halloween fundraiser. Georgie becomes enamoured with a rebellious teenager who Sheldon is tutoring.

Bonnie and Christy put aside their differences to handle a family crisis.

Parker discovers he's a victim of identity theft while investigating the unusual murder of a naval ensign; Knight and Jimmy face hurdles in their relationship as their connection heightens.

While Ray receives compromising information on Cochran, the FBI boss interrogates Mickey. Elsewhere, Abby grows closer to a surprising new friend.

While at a lunch seeking Pruitt's blessing for their relationship, Andy and Sullivan jump into action when immigration officials raid the restaurant; Travis gets roped into an awkward lunch with Chief Dixon, Emmett and Emmett's girlfriend.