Misha Collins and Alex Calvert also join in on the farewell message celebrating the show's final premiere night.
See images of the gang all getting ink at the wedding reception!
'Supernatural' may be ending, but we're taking fans back to the beginning!
ET is bringing you an exclusive flashback from our first interview with 'Supernatural' stars Jared Padalecki and Jensen Ackles in 2005.
The revival will reportedly be titled 'Walker' and follow the character as he emerges from years of being undercover.
ET sat down with longtime friends and co-stars, Padalecki and Ackles, while promoting the show's final season.
Ackles, Jared Padalecki, Misha Collins and the 'Supernatural' team preview the 'epic' final season, which will culminate with an 'organ
It was an tear-filled morning on Sunday as fans said goodbye to the series.
The co-stars also discuss bidding farewell to the Winchester brothers.
ET spoke with Jared and Jensen ahead of The CW's upfront presentation in New York on Thursday.
ET exclusively debuts a first look at a featurette with Jared Padalecki, Jensen Ackles and Misha Collins looking back on season 14.
Watch exclusive season 14 digital extra, "The Winchester Mythology: The Choices We Make." Full featurette debuts Friday, May 17
Jensen Ackles, Jared Padalecki and Misha Collins announced the news in an emotional video on Friday.
The Winchester brothers got more than they bargained for in the milestone episode.
