Supernatural Season 8 Episode 12 “As Time Goes By” airs Wednesday Jan 30 2012 at 9 pm on the CW television network. Felicia Day returns.
Episode Synopsis: Sam (Jared Padalecki) and Dean (Jensen Ackles) are stunned when a man who claims to be Henry Winchester (guest star Gil McKinney), their grandfather, suddenly appears in their hotel room demanding to know where he can find John Winchester.
Henry has time-traveled to stop a demon named Abbadon (guest star Alaina Huffman) and was looking for John’s help. Through Henry, Sam and Dean learn more about their father and the Winchester blood line. Serge Ladouceur directed the episode written by Adam Glass
Show Summary: Supernatural stars Jensen Ackles and Jared Padalecki as Dean and Sam Winchester, two brothers who travel the country looking for their missing father and battling evil spirits along the way.