[AkibaSilver]

From what I remember...
MMPR: Battle between Jason and Tommy
Zeo: That time they all grew giant
Turbo: ???
In Space: Countdown to Destruction (It had Bulk and Skull. Bulk and freaking Skull!!)
Lost Galaxy: Power of Ten
LSR: ???
Time Force: Final battle, with Wes and Eric against everyone.
Wild Force: Forever Red/End of the Power Rangers, with them fighting on with no powers
Ninja Storm: Cam Vs Lothor
Dino Thunder: Tommy VS Tommy
SPD: Sky fighting Morlock
Mystic Force: ???
OO: Once a Ranger; Specifically, Adam
Jungle Fury: Grizzaka Vs Rangers
RPM: Ziggy's first fight!
Samurai: Final battle with Deker
Megaforce: ???