Nightwing (possible cameo, unconfirmed)
Girl fight!! A nice rock em sock em, episode that stands nicely by itself, and pushes the Legion of Doom storyline ahead just ever so slightly. Oh, and nice Rocky III homage.
Far From Home
Legion fans, this may or may not satisfy you, but it'll sure as hell whet your appetite! A little ham-handed on the Supergirl/Brainiac 5 relationship, but overall, not too bad!