Here's new footage of Jakarak.
Here's new footage of Seymour.
All footage of Red Ranger riding his Galaxy Glider while searching a planet is new footage.
Here's Red Ranger and Seymour.
All footage of Jakarak, Seymour and Red Ranger on the planet that Red Ranger was searching on is new footage.
Here's Seymour in the Megaship.
Here's footage of Elgar, Astroenma and Ecliptor.
Here's Quantrons and Jakarak.
Here's footage of Seymour's grown form. This appears to be in the Megaship as well.
This is when the Sentai footage starts up, this shot of Jakarak.
Here's Seymour and Alpha 6.
All footage of Jakarak and the Rangers in Angel Grove is Sentai footage unless otherwise stated.
However the footage on the Megaship's View Screen of the Rangers doing battle with Jakarak is new, that is when the new footage starts up between the Rangers and Jakarak.
This shot of the Rangers and Jakarak is also new.
The new footage with Jakarak and the 5 Rangers ends as soon as the scene switches to an interior shot of the Megaship even though all interior shots of the Astro Megaship is new footage as well.
This is when the new footage starts up again, this time with Seymour.
All footage of Red Ranger riding on his Glider in order to save Seymour is new footage which includes the shots of Jakarak in the scene until the scene ends in order to go to commercial break.
This shot is new as well as this following shot.
Here's new footage of the Rangers and Seymour.
This shot is when the Sentai footage starts back up.
As soon as you see this shot the new footage starts back up.
This shot of the Red Ranger is also new.
As soon as you see this shot, it goes back to Sentai footage.
However when you see this shot of the Red Ranger, it's new footage again.
However as soon as you see this close-up shot of Seymour's Head within Jakarak's body, it's back to Sentai footage again.
However as soon as you see this shot of Jakarak it's back to new footage once again.
However as soon as you see this shot of Seymour it's back to Sentai footage again.
However as soon as you see this shot of Jakarak it's back to new footage once again.
As soon as you see this shot of Seymour, it's back to Sentai footage.
As soon as you see this shot it's back to new footage.
As soon as you see this shot of Seymour, it's back to Sentai footage once again.
As soon as you see this shot it's new footage again.
When you see this shot it's when the Sentai footage starts back up.
When you see this shot it's when the new footage starts back up again.
This footage of Seymour on the ground is also new.
As soon as you see this shot it's back to Sentai footage again.
Here's Elgar, Ecliptor and Astronema.
The footage of Jakarak growing is Sentai footage but the Satellaser was added into the footage.
All following shots is Sentai footage unless otherwise stated.
Here's Elgar, Ecliptor and Astronema.
Here's a shot of a female version of Seymour.






Following info comes from Mega 23.
Here's a couple shots of Baby Seymour.  
Here's Jakarak.
Here's a shot of grown Seymour.
Here's some more shots of Jakarak.    
Here's a shot of Jakarak but this time with Seymour within him.
Here's Giant Jakarak.