AsSupernaturalgets closer to itsfinal days of filming, another familiar face has shown up on set.
He was last seen on the show in season 4s On the Head of a Pin.
But now, hes back!

Sergei Bachlakov/The CW
According to Collins tweet, fans can expect for Castiel and Uriel to reunite before the series bids farewell.
After all, if theyre going to beat Chuck, they need all the angels they can get.
Supernaturalreturns for its final run of episodes on Monday, March 16 at 8 p.m.
ET on The CW.