Dawson's Creek - Season 6 Episode 15 -

After agreeing to pose as Pacey's date at a business party, Joey demands to be taken home. Pacey makes a quick stop at a local K-Mart to buy some snacks and condoms for another date for later that night, and they accidentally get locked inside the store. They're forced to spend the night there and talk about their friendship and relationship, past and future, which eventually leads to a kiss.