Amethyst's Welcoming Home is the eighteenth episode of the second season of Power Rangers Harmony Force.
With Ivan Ooze's new monster interfering the welcoming home of Professor Utonium's wife, Amethyst, Twilight Sparkle and her friends must do what it takes to bring her home.
Professor Utonium receives a message from his wife/Amethyst is coming home
In the glorious morning, Professor Utonium received a message from his wife, Amethyst. She was finished with her longest moon trip and ready to go home. With the Professor telling Ken, the Powerpuff Girls and the Rowdyruff Boys, Everyone was excited that Amethyst Utonium is finally coming home from the moon at long last.
Prince Vrak's plan for revenge/A new monster from Ivan Ooze
At Ivan Ooze's Lair, Prince Vrak gathered Prince Vekar and Prince Olympius for revenge. Then, Finster and Wrench created a new monster, Chemical Creep to accompany them.
Aikko calls Mary Bell in her Compact/Preparing the Welcoming Party
Later, Aikko called Mary Bell on her compact while Pinkie Pie prepares the Welcoming Party for Amethyst. And for that, She sends invitations to all the friends of the Powerpuff Girls and the Rowdyruff Boys from Townsville.
All of the good friends of the Powerpuff Girls and Rowdyruff Boys arrived
Just then, All of their good friends from Midway Elementary School of the Powerpuff Girls and the Rowdyruff Boys arrived for the welcoming party. Then, The Gangreen Gang brought out the gaming equipment.
Amethyst landed on the Earth/Captured by Olympius, Vrak, Vekar and their gang
Meanwhile as Amethyst Utonium landed on the Earth, She was ambushed and captured by Olympius, Vrak, Vekar and their remaining Armada.
Twilight and her friends investigates/Some of the Boys and Girls' friends help
Back with Twilight Sparkle and her friends, Ken, the Boys and Girls were getting worried about their mother. So, They gathered to investigate who's causing her delay.
A promise to the Professor and Ken/Saving Amethyst from any evil
But sometimes, Twilight and her friends promised the Professor and Ken they'd do what they can to get Amethyst back from harm. So, They kept their hopes up for them.
The Battle begins again/The Battle won once again
At that moment, Twilight and her friends rescued Amethyst and brought down Chemical Creep. Just as he got bigger, They use the Elemental Ultrazord and the Dynamos to finish him off.
Bringing Amethyst back home/A very happy family reunion
As soon as they came back, There was a Welcoming Home Party for Amethyst Utonium. And for that, She was happy to reunite with her own husband, sons and daughters.
The Celebration begins/Surprises about Robin Snyder and Mike Believe
Finally, the celebration has begin for Amethyst's welcoming home party. Then, She explained the whole details about Robin Snyder and Mike Believe's mothers who're her sisters. Surprisingly, That made them cousins to the Powerpuff Girls, the Rowdyruff Boys and Ken, And the Professor's nephew and niece which he hadn't see that coming.
- Pinkie Pie plans to make the snacks and the party for Amethyst's Welcoming Home Party.
- Amethyst returned back to earth after the space, Ken is very happy that his mother Amethyst is here.
- Robin Snyder and Mike Believe will make their debut and join the party and the support of the Harmony Force Rangers.
- Professor Utonium tells Aikko that Ken really misses his mother Amethyst so they shall prepare for the welcome party for her.
- Aikko calls Mary Bell by her Compact that they are making a Welcome Party for Amethyst Utonium.
- Blossom, Berry, Brezzie, Brick, Buzzie and Bliss tells Ken about his mother Amethyst is coming back to earth.
- Honesty is True - Aikko
- Yōshun no Passage - Mary Bell version
- Sharing - Aikko, Jankenman, Ken, Pab and Ururun
- I like to be Polite - Blossom, Bubbles, Buttercup, Brick, Boomer, Butch and Fluttershy