Power Ponies and Power Rangers to the Rescue Part 2 is the twentieth episode and part 2 of the third season finale.
Princess Yuna, Princess Snodrop, Princess Skyla, Prince Dusty Crophopper, The Mane 6's Foals, The Young Princesses and Foals Guardians must help the Power Ponies and The Galaxy, Lightspeed, Time Force, Wild Force and Ninja Storm Power Rangers defeat Prince Olympius and his Alliance before they ressurect Queen Bansheera, They'll need help from Ransik and his Alliance to defeat their enemies.
The mission continues/Flain and Krader's confession
The Galaxy, Lightspeed, Time Force, Wild Force and Ninja Storm Power Rangers and the Power Ponies had to continue the mission to defeat Prince Olympius, Vypra and Loki before they ressurect Queen Bansheera, Meanwhile, Tigatron and Airazor were waiting patiently for the Mixels, Villamax, Nadira, Jindrax and Toxica to return, When they did, Flian and Krader confess that they needed Villamax, Nadira, Jindrax and Toxica's help to find the six Cubits and they all apologized for the delay and Yuna and the others forgave them as they continued on Ransik's plan.
Getting help from Ransik
Yuna and her friends have to get help from Ranisk, Nadira, Villamax, Diabolico, Zen-Aku, Jindrax and Toxica to stop King Sombra, Nightmare Moon, Nightmare Hiro, Nightmare Trix, Queen Chrysalis and Tirek from coming between The Power Ponies and Power Reangers and Olympius, Vypra and Loki.
Everyone's help/Resurrect Queen Bansheera
Then, Thomas, Emmet Brickowski, Wreck-It Ralph and their friends showed up and came to help Yuna and her friends back them up, Meanwhile, As Prince Olympius, Loki and Vypra nearly resurrect Queen Bansheera, It was too late for her, The Power Ponies and Power Rangers came just in time to stop them once and for all.
The final battle against Prince Olympius
The final battle begun as the Power Ponies and Power Rangers Morph and faught Prince Olympius, Loki and Vypra while Yuna and her friends faught Tirek, Queen Chrysalis and King Sombra and his family, hours past and Prince Olympius, Tirek, Queen Chrysalis, King Sombra and their evil alliance are defeated once again and send back to Tartarus where they belong.
The mission complete!/A Mother and Daughter Love
Then, the mission is complete! The Rangers thank Princess Yuna and all of her friends for their help as they celebrate a banquet in the Friendship Rainbow Kingdom, Princess Luna was very proud of Yuna for being a true heroine to her friends and they loved each other so much.