The trailer for Chapter 4 (Episodes 11-14) was released today:
http://www.youtube.com/watch?v=ctmO-z08LdM
Looks like plenty of action this time around.
Also Gamilon warships engaging Comet Empire warships somewhere on their frontier.
Plus Gamlon subspace dimensional submarine attack on Yamato.
That Gamilas got all the really good older male actors.