The Rangers believe their work is done after they've defeated Sledge and his evil monsters. Unbeknownst to them, an even more powerful monster is picking up where Sledge left off and is closer to the Rangers than they think.

Snide plans to contaminate the city water with venom that makes you forget who you are in hopes that the Rangers will be infected. Meanwhile, Riley has a score to settle with an old rival at the Amber Beach Marathon.

Shelby receives a pillow from an unknown sender. When she uses it to take a nap, she starts living a nightmare. The Rangers suspect this must be from Snide so they all make sure to stay awake, but that proves to be harder than they thought.

Poisandra's magic paint and brush are exactly what Beauticruel needs to make any guy she desires fall in love with her. Heckyl devises a plan to make the Rangers fall in love with her so he can steal their Energems

The Rangers discover the cave where Koda and his family once lived. Questioning the wise words of his Grandfather, Koda opens a section of the cave he was told to never enter, allowing an ancient monster to escape.

Chase is determined to master a dessert recipe from New Zealand, when a food critic visits the Dino Bite Café. Meanwhile, an evil monster comes to earth to find the Energems and takes control of the Zords and Megazords.

A young teen named Brody escapes to Earth from an alien spaceship with a special artifact called the Ninja Nexus Prism. He and two new friends must unlock its secrets to defend it from the villainous champion Galvanax.

As Brody, Preston and Sarah return to Brody's childhood home in an attempt to find his lost family, Hayley and Calvin come across a strange alien named Mick.