After a hard-fought victory, allow some time for the PCs to celebrate and feel good about what they've achieved. Throw in some amusing anecdotes to lighten the mood a bit before heading back into the adventure.
Alternatively, now is the perfect time to hit them with another orc army/wave of zombies/alien fleet.
Transcript
Leia: Come here, ya big lunk! {hugs Chewie}
Chewbacca: Oh, I say. While my piloting expertise was arguably essential to our survival, young Luke deserves at least equal credit.
Leia: Still alive! Suck it, dad!
Han: Yeah! You wanna broadcast that?
Leia: Hell yeah.
R2-D2: Threepio, what are you doing?
C-3PO: Well, funny story. I started fixing this power coupling, and then it shorted out the air filters—
R2-D2: Yeah, that's no biggie.
C-3PO: —and while I was fixing that the water pipes froze and cracked.
C-3PO: And then all the wires just leapt out and attacked me!
{the Falcon flies off into the stars}