'Supernatural' Season 7 Spoilers: Misha Collins on Castiel's Return [Video]

'Supernatural' Season 7 Spoilers: Misha Collins on Castiel's Return [Video]

Misha Collins was on MTV's 10 on Top, where he discussed Castiel's many incarnations and warned that while this Friday's Cas will be like the Cas we first knew, he will quickly change yet again.