Supernatural - Season 5, Episode 19, Hammer of the Gods
Hammer of the Gods
Sam and Dean are kidnapped by a group of gods, including Kali, Ganesh and Baldur and held hostage in a small hotel. The gods want to use Sam and Dean as bargaining chips to stop the Apocalypse, but Gabriel shows up and warns them that if Lucifer finds them he will kill them all. Unfortunately, one of the gods turns on the rest and Lucifer appears.