Here's the official guide and promotional photos of The Big Bang Theory season 6 episode 19 "The Closet Reconfiguration". This episode airs on Thursday, March 14 on CBS.

A LETTER FROM HOWARD’S FATHER FORCES HOWARD TO CONFRONT HIS PAST --

• Howard struggles with whether or not he should open a letter from his father, and Leonard and Penny throw a “grown-up” cocktail party at the apartment.