Artie O'Daly

When their apartment is robbed, Leonard and Sheldon turn to their friends to create a state-of-the-art security system – and Sheldon struggles to cope.

Despite their lofty hopes, Phil and Jay’s property investment might turn out to be a bust, forcing Phil to rethink his original dream. Meanwhile, Cam lands in the hospital due to a head injury and refuses to have an MRI thanks to a traumatic incident with a well when he was a child. Determined to finally impress Claire and keep her from re-gifting her birthday present, Gloria surprises her with a day of luxury at the office. However, after Claire had to implement some rather harsh budget cuts at work, a massage at her desk may not be sending the right message.

As part of a new corporate initiative Dina is spearheading, Jonah, Cheyenne and other overworked employees have to rush items directly to shoppers' cars. Amy's brother, Eric (George Salazar), visits the store, and Amy thinks she sees a spark with Mateo. Garrett is impressed by a customer's high-tech purchase.

Cristina and Burke's wedding day arrives - along with the interns' first exam results - and a successor to the Chief is named, as Callie and George make a big decision about their relationship.

A Croatian Doctor comes to Sacred Heart, only to find out that he has to redo his Internship there. J.D. shows symptoms of 'Vasovagal Syncope'.