The Supernatural series finale, titled "Carry On," marked the end of a 15-season journey for Sam and Dean Winchester.

When you think of TV dads, you might picture warm hugs, backyard barbecues, and life lessons doled out over bowls of cereal.

Jack Kline is not the character most viewers think about when discussing Supernatural ... Castiel and accepted the angel as his surrogate father. Between Season 12 and Season 15, the plot heavily ...