In this second clip from the upcoming episode of Supernatural, "Jump the Shark," Sam and Dean talk to their half brother Adam Milligan. Dean seems particularly disturbed their dad took him to a baseball game.
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In this first clip from the upcoming episode of Supernatural, "Jump the Shark," Sam and Dean read the file about Adam Milligan, who as well all know, turns out to be the third Winchester brother!
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Supernatural Season 4 Episode 19 Quotes

Dean: Adam doesn't have to be cursed.
Sam: He's a Winchester. He's already cursed.

Dean: I'm starving, lets get breakfast.
Sam: Where? We're like two hours from anything.
Dean: But I'm hungry now.
Sam: There is probably still a sandwich in the backseat.
Dean: It's tuna.