Good Omens - Season 2 Episode 2 Chapter 2: The Clue featuring the minisode A Companion to Owls Something's going down in the up.
Overview: Heaven and Hell are determined to find the missing angel. An overheard song provides Aziraphale with a Clue. Crowley and Aziraphale visit the pub to discuss ways that humans fall in love. While almost 5,000 years ago Crowley is sent to inflict punishments on the righteous Job, God’s favourite person, as Aziraphale learns at first hand about temptation, and what Gabriel will and won't believe.