This story is a sequel to Turtles of Equestria

The Rainbooms and Turtles are back together again taking on old foes and new foes with the help of the girls of Crystal Prep and an old robot friend. But with a vengeful ex-principal out to prove the existence of their magic, they may be in for a load of trouble.

This story is a sequel to Equestria Ninja Girls: The Shredder's End

After defeating Kavaxas, the turtles felt it was some time for a little break. So they join Sunset Shimmer in Equestria to meet some old familiar faces, and gain a little cultural experience. While also dealing with new threats and dangers as well. Still nothing has ever stopped these green ninja machines before, and they won't now.

This story is a sequel to Equestria Ninja Girls

Picking up where they left off, the Rainbooms after escaping the planet earth's destruction at the hands of the Triceraton Empire are given a second chance to stop them from destroying their planet. They're transported from Equestria back to their world on board a space ship where the turtles and their friend the Fugitoid set out into space to stop the Triceratons and retrieve the Heart of Darkness.

Sequel to Equestria Ninja Girls. Highly recommend read first before reading this.