Brody escapes to Earth from an alien spaceship with a special artifact called the Ninja Nexus Prism. Brody and his two new friends must unlock an artifact's 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.
Brody gets accused of cheating on his first day of school after using his Datacom to find answers and must lead the Rangers against another threat from Galvanax.
When the Power Rangers are caught in the spider web of Galvanax's latest monster, Tangleweb, Calvin must conquer his fear to unlock a new power and save them.
Determined to take part in as many student activities as she can, Sarah builds a device that allows her to clone herself, but the plan backfires when Galvanax's monster steals the technology for himself.
When Summer Cove's sentimental "Ribbon Tree" is in danger of being cut down by Preston's wealthy dad, Preston must learn to stand up to his father to save what's important.
Sarah must contend with her mother's interference when she tries to upgrade her hover board's battery; Vic and Monty's invention may have disastrous consequences for the Power Rangers.
