And by "dated," we mean they were just good friends who hung out and went shopping and in no way engaged in hot hot girl-on-girl action, possibly with tickling and pillow fighting.
Boardwalk Empire Season 3 Episode 7
Once Upon a Time Season 2 Episode 5
Downton Abbey Season 3 Episode 7
Revenge Season 2 Episode 5
Walking Dead Season 3 Episode 2
Dexter Season 7 Episode 5