Footage of Silver Ranger destroying Crocotox that plays on the Dark Fortress' View Screen is a combination of Sentai footage (which includes cut footage of the numbers) as well as new footage that came from that Power Rangers episode.
Here's Astronema.
Here's new footage of the Preying Mantis.
Footage of the Preying Mantis attacking on Earth as shown on the Astro Megaship's Monitoring Screen is Sentai footage.
As soon as you see the morphed Rangers, it's Sentai footage.
This is when the new footage starts up again.
Here's another new shot of Mantis.
This shot of the Silver Ranger riding his Silver Cycle is new footage.
This shot of Mantis is when the footage goes back to Sentai.
As soon as you see this shot it's back to new footage.
These shots of Mantis are Sentai footage.     The first shot to the left is when the start of the Sentai footage starts up again.
Here's new footage of the Rangers, this is when the new footage starts back up again.
The new footage continues until it goes to commercial break.
Here's Elgar, Astronema, Ecliptor and Mantis.
Here's new footage of Mantis.
Andros and the 4 others leave the Megaship through the Jump Tubes while Zhane is with them in that area.
The following shot of the Rangers fighting Mantis (which Zhane watches as it plays on the Viewing Screen) is new footage.
This shot of the 5 Rangers is when it goes back to Sentai footage.
This shot of the Rangers and Mantis is when the new footage starts back up again.
This shot of an explosion going off behind the Red and Black Rangers is when the Sentai footage starts back up again.
This shot of the Rangers is when the new footage starts back up again. The new footage continues until it goes to commercial break.
After Zhane recharges his DigiMorpher using a lightning strike, the following shot of the Rangers and Mantis is Sentai footage. You can see 1 of those following shots as seen to the right. is when it goes back to Sentai footage.
This shot is new footage this is when the new footage starts back up again.
This shot of Mantis is when it goes back to Sentai footage.
This shot of the Silver Ranger is when the new footage starts again.
Here's new footage of the Silver Ranger with his Super Silverizer Blade Mode while in front of his Silver Cycle.
The Quantrons appear and they start a battle with the 5 Rangers. The following shot of the Silver Ranger is Sentai footage and you can see 1 of those shots as shown here.
All following shots of the Silver Ranger is Sentai footage which includes all shots of him while he's trapped by Mantis' trap.
The footage of Mantis growing is Sentai footage, they just added the Satellasers into the footage.
All Giant footage is Sentai footage.





Following info comes from Mega 35.
Here's the Preying Mantis.  
Here's the Giant Preying Mantis.