'Big Bang' First Look: Eliza Dushku grills Leonard!

In the Nov. 4 episode of the CBS comedy, titled “The Apology Insuffiency,” the erstwhile star of Buffy the Vampire Slayer, Tru Calling, and Dollhouse guests as a federal agent who has to interview the gang so that Wolowitz (Simon Helberg) can be okayed to work on a new project for the Defense Department.