B5 canon question

Off the top of your head, does anyone know the episode(s) Delenn talks about the prophecy that leads her to believe she's supposed to go through the Chrysalis, and that right soon?  I poked around the Lurker's Guide earlier but since that site isn't great with actual plot summaries I did not find what I was looking for.  I'm pretty sure it's last S1, obviously, but I'd like to rewatch those scenes before I write something.