You know Dean calls Cassie and she just watches it ring. Sometimes Kat calls from her phone, though, and Dean always picks up. Because Dean/Cassie is my fave. <3 Dean.

Emily is the one whose aunt and uncle tried to sacrifice her and Dean to a Scarecrow god thing for the greater good (the greater gooooood), only Sam saved them. And Kat is the girl from Asylum, whose boyfriend was all "Great date idea! Let's go visit some evil spirits!"