Michael Patrick McGill

Howard and Sheldon bond on their way to the desert to launch a model rocket. Leonard's mother befriends Penny, which annoys Leonard.

A toast at Roy's wedding leads to Pam and Jim searching their relationships for buried secrets. Meanwhile, Dwight reacts to Nellie's mandatory charity initiative.

Eric crashes into actress Anna Faris, Turtle prepares for a party, and Mrs Ari reprises her role on a soap opera.

When Jenny has to attend an overseas conference, Gibbs is made acting director, but he prefers to ignore his duties and leads the investigation of the murder of a man who was found dead in a taxi headed towards the NCIS headquarters.

Amy orchestrates a meeting with a journalist to share some incriminating e-mails from work; Jeff encourages Amy to find more explosive evidence.