Howard considers whether or not he should open a letter from his father; Penny and Leonard host a "grown-up" cocktail party.

Movie rating: 8.1 / 10 (3945)

Directed by: Chuck Lorre - Anthony Joseph Rich - Bill Prady - Steven Molaro

Writer credits: Chuck Lorre - Chuck Lorre - Bill Prady

Cast: Johnny Galecki - Jim Parsons - Kaley Cuoco - Simon Helberg - Kunal Nayyar

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