Andy Dubbin/Elena Scotti/FUSION

That's right: He joins all his left-in-purgatory TV buddies.

Cannot. Wait.

Previously:

The Wichita theory: 7 reasons to suspect Pete Campbell will die in the Mad Men finale

Is Don Draper really mysterious plane hijacker D.B. Cooper?

What you need to know about that octopus erotica on ‘Mad Men’