On the one-hour seventh season premiere, Sheldon and Penny bond in Leonard’s absence, but it’s Sheldon’s feelings that are crushed when Leonard returns from the North Sea. Guest star REGINA KING returns as Mrs. Davis, the University’s Director of Employee Relations.
A deadly hit-and-run involves a driverless car carrying heroin; Tani and Quinn are stuck with a pair of YouTubers who are brought on a ride-along.
Cody is graduating top of the class, but Zack has done badly and must attend summer school.
Zack becomes the anonymous writer of the school newspaper's advice column.
Zack and Cody decide to open a teen club at the Tipton; London needs help naming her new cosmetics line.