Sarah Buehler

Don and the team try their luck at investigating the theft of scratch-off lottery tickets, but the stakes are raised when one of the culprits killed at a botched robbery turns out to be a former lottery winner. Also available on Amazon Instant Video, iTunes and VUDU

Howard and Raj (series star KUNAL NAYYAR) visit a Goth nightclub to pick up women, while Sheldon attempts to build a better Penny using chocolate-based behavior modification. Also available on iTunes

Melinda faces bad memories from high school when one of her former classmates is found dead, and Eli takes the opportunity for some on-the-job training when she investigates why a ghost won't cross over. Also available on Amazon Instant Video, iTunes and VUDU

Excited to cater Lorelai's wedding, Sookie pressures Lorelai to set a date but cannot get her to commit. While completing her community service hours, Rory takes a job at Emily's DAR (Daughters of the American Revolution) office. Also available on iTunes and VUDU