The episode starts off in new footage due to Piranhatrons and the Freeze Key.
The footage of the Turbine Laser appearing and changing to Laser position is the usual Sentai stock footage that plays however once you see this shot of the Rangers and the Laser then it's back to new footage.
Here's Clockster
Here's Elgar, Clockster and Divatox
Here's Clockster and Divatox
Once Clockster teleports to the surface, that's another start of new footage.
Once you see Clockster as a Giant then it's the start of Sentai footage however after he wrecks a building, it then cuts to new footage of the Rangers. The footage of the Rangers calling for their zords is new footage too.

Sentai footage comes from Car 24