The Zarnecki Incursion

When Sheldon has his World of Warcraft account hacked and his character stolen, the guys team up to discover who did it. Meanwhile, Bernadette and Amy try to help Penny deal with Leonard's continuing relationship with Priya.

Season 4 | Episode 19


Jim Parsons

as Sheldon Cooper

Johnny Galecki

as Leonard Hofstadter

Kaley Cuoco

as Penny

Simon Helberg

as Howard Wolowitz

Kunal Nayyar

as Raj Koothrappali