Though blind dates often end in disaster, on this Season 2 episode of Friends, Chandler accidentally gets set up on a double date with his ex, Janice aka the "Oh my Gooooood" woman. Angry at Joey, who also was on the date, Chandler and Janice stay at the restaurant after Joey leaves with his date. They end up re-connecting, only to break up the next day once Chandler remembers all that he doesn't like about Janice.
This episode is perfect for those who consider rekindling failed romances because of Valentine's Day loneliness. Take it from Chandler — it's just not a good idea.