Wincest
ALL'S FAIR IN LOVE AND WAR
Sam and Dean have a little fight and then make up
BELLA NOTTE
Dean wants a spaghetti dinner but gets a whole lot more
SMILE, YOU'RE ON CANDID CAMERA
Dean wants to introduce something new into the boys' sex life
EXTREME BEHAVIOR
Dean's not losing Sam without a fight (set in Season 4, up to episode 4.18)
HOT FUN IN THE SUMMERTIME
The temps are hot, Sam's bored and Dean has an idea
Sam and Dean have a little fight and then make up
BELLA NOTTE
Dean wants a spaghetti dinner but gets a whole lot more
SMILE, YOU'RE ON CANDID CAMERA
Dean wants to introduce something new into the boys' sex life
EXTREME BEHAVIOR
Dean's not losing Sam without a fight (set in Season 4, up to episode 4.18)
HOT FUN IN THE SUMMERTIME
The temps are hot, Sam's bored and Dean has an idea