Here's a shot of the Magna Defender's Planet which is actually new footage.
The footage of the Magna Defender in this ep begins in Sentai footage.
The flashback stuff is mostly all Sentai footage however this shot is when it goes to new footage in the flashback.
After the footage of Scorpius plays saying he's been expecting him, it then cuts back into Sentai flashback footage of the Magna Defender.
Here's new footage of Scorpius, Zika and Fish Face
Here's some more new footage
After Fish Face threatens Zika's life by ordering Magna Defender to drop his weapon or else which is also new footage, it then cuts back into Sentai footage of the Magna Defender.
This is also new footage
They had to reshoot a lot of the Zika and Fish Face stuff because apparently they thought the Sentai footage was too threatening since Fish Face held his Sword thing up close to Zika's neck while he was issuing threats towards the Magna Defender.
The shot of the Magna Sword dropping is when it returns back to Sentai footage.
Here's another Sentai shot which comes from the flashback As you can see Captain Mutiny is in that shot.
Even though Zika is in new footage, after he says to leave his big brother alone, the following shot of the Magna Defender is also Sentai footage.
The shot of Magna Defender sparking up from Scorpius' attack (in Sentai it was Radster firing his Blaster) is Sentai footage however once you see Zika again it's back to new footage.
This shot is when the flashback goes back to Sentai footage.
Here's new footage of Zika and his Dart being in the same shot as Scorpius
The next shot of the Magna Defender is when it goes back to Sentai footage.
Here's a shot of Scorpius attacking Zika
This shot is when it goes back to Sentai footage.

The up-close rotating front shot of the Sunflower Statue is Sentai footage but it then cuts into new footage of civilians looking at it.

This shot of the Statue is Sentai footage.
The shots of the civilians running scared is new footage as is the following shot of the Statue.
Here's Fish Face with Stingwingers

Here's a case of the editor falling asleep at the job since you can see a Swabbie in this shot which is obviously Sentai footage.
Fish Face's Bag is dropped in new footage.
The following shot of the Magna Defender while he's midair but falling downwards in order to land is Sentai footage.
The shot of the Magna Defender being in the same shot as the Sunflower Statue is another start of Sentai footage.
It then cuts to new footage of Fish Face.
Magna Defender fighting Stingwingers is new footage but you should know that by now.
The following up-close shot of Fish Face talking is Sentai footage which is when the Sentai footage returns.
After Alpha notifies Leo of the issue at the Plaza, it then cuts back into Sentai footage.
Obviously Fish Face being with Stingwingers is new footage but it then cuts back to Sentai footage of Fish Face's Sword.
The footage of the Rangers is Sentai footage. Once Leo calls for the monster, the following shot of Fish Face is also Sentai footage.
Once you see Pink and Yellow in the same shot as Fish Face then that's another start of Sentai footage.
This shot is when the new footage starts back up again
Once it cuts back to the Green and Yellow Rangers then that's another start of Sentai footage.
These shots
is another start of new footage.
Once you see the Magna Defender with his Blaster then that's another start of Sentai footage.
It then cuts into new footage of the Magna Defender firing his Blaster at Fish Face while civilians are in the area.
This shot of the Defender is when it goes back to Sentai footage.
The second time Magna Defender fires his Blaster (after he knocks the interfering Red Ranger away) - following shot of Fish Face sparking up is new footage.
Debris begins falling. It then cuts back into Sentai footage of Fish Face.
The shot of the Rangers being in the same shot as the Venture Vehicles is new footage.
The following shot of the Red Ranger is when it goes back to Sentai footage.
This shot is when it goes back to new footage.
This shot is when it goes back to Sentai footage.
This shot of Blue is when it goes back to new footage.
Once you see the Red Ranger again then that is when it goes back to Sentai footage.
Here's new footage of a streak coming towards Terra Venture
It then cuts back into Sentai footage of the Magna Defender.
Once Alpha notifies the Rangers about the attack, it then cuts back into Sentai footage.
These shots
is when it goes back to new footage.
The footage of the little girl with the teddy bear that she drops as she's running away is new footage even though she's wearing basically the same exact outfit as her Sentai counterpart.

This shot is new footage

Here's another shot of Fish Face with Stingwingers
This shot of Fish Face is when it goes back to Sentai footage.
The shot of the little girl that lost her teddy bear is new footage. The following shot of Fish Face is Sentai footage but it then cuts into new footage due to Fish Face grabbing onto the girl. It then cuts back to a Sentai shot of the Magna Defender.
Once you see Fish Face with the girl again, it's back to new footage. It then cuts back to Sentai footage of the Magna Defender.
All footage of Fish Face with the girl is new footage but all footage of the Rangers around this point is Sentai footage.
After Fish Face is demanding Magna Defender to drop his weapon, it then cuts back into Sentai footage of the Magna Defender.
This shot is Sentai footage despite Fish Face having the girl in this shot which is yet another start of Sentai footage.
This shot is also Sentai footage
This shot is also Sentai footage
The footage of Defender and the Red Ranger getting hit by Fish Face's sand stuff is another start of Sentai footage.
After Leo tells Magna Defender he's got to control his anger, the following shot of Fish Face is new footage and then Fish Face uses his usual stock sequence of releasing his sand from his bag, the sand releasing from the bag is Sentai footage.
Once you see Fish Face with the girl again then that's back to new footage. The following shot of the Green Ranger is new footage as well.
This shot actually looks to new footage.
This looks to be new footage of the Trans Blaster
This is definitely new footage due to the Green Ranger being in the same shot as the little girl
Fish Face sparking up as a result of the Trans Blaster attack is new.
This shot is when it goes back to Sentai footage.
Obviously as per usual with a lot of these early monsters, Fish Face drinks the Potion in new footage and then it cuts into his Sentai growing sequence.
Once the ep returns from its last commercial break, there's a scene in the Scorpion Stinger and then it cuts to new footage of the Magna Defender who is still on Terra Venture.

Sentai footage comes from Ginga Episode 19