When the Lights Shine Blue

Searching for a way to take down Dick Roman’s technological empire, Dean Winchester stumbles across private footage that uncovers his personal AI’s past. Narrating in vivid detail the seven years that took Castiel from being a weapon of mass destruction to an abandoned android — and finally, an Artificial Intelligence system who fell in love with a human — Dean is once again reminded of how much he misses the eyes that shine blue.