Note: This takes place after the end of Chrono Trigger, assuming one has played all the way through the game. As such, there will be spoilers.
Lavos is gone. We destroyed him.
The Gates are all closed, and everyone is back in their own time.
By all rights, time travel should not be possible.
However, we still have the Epoch, so we can still time-travel all we want.
We could do important things, see important things, whatever we desired.
Mostly we just partied in prehistory, though. Prehistoric parties are the best.
Huh. Looks like it's daytime already. What am I going to do with myself?