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Feraligatr has absolute ass for Special, so definitely drop Bite which has ass BP anyway. If you still have your Earthquake TM, that's a no-brainer.
Go to one Water move, IMO Surf is the better choice for the accuracy but again, your Special is ass so Hydro Pump might be worth rolling for to guarantee KOs. Still, using both Blizzard and Hydro might be rage inducing.
I'd recommend Surf/Blizzard/Earthquake and then Slash is nice for the crits but depending on how friendship works in stadium you might want to use Return or Frustration instead.