Season 3, Episode 9 - That's not the Sinnerman!
Obviously, it can't be him. He kidnapped Lucifer? Reattached his wings? Made the reattachment permanent? That guy?
So they're going somewhere else with this, but I can't see where. That's probably a good thing as shows that are too easy to figure out tend to be crappy.
Favorite line for this episode:
===================
Lucifer: “Would you believe he wore a sweater vest? His greatest crime yet!”