A team of teenagers with attitude are recruited to save Angel Grove from the evil witch, Rita Repulsa, and later, Lord Zedd, Emperor of all he sees, and their horde of monsters.
Reporter Amelia accompanies Ollie and his mom, Dr. Akana, to investigate the Dinohenge statues; the trio encounters an evil warrior named Void Knight and a threat that puts the entire world in danger.
Ollie carries out a plan to catch Sporix without his teammates' knowledge; Ollie realizes the benefit of working as a team.
The Rangers intercept a mysterious message from outer space and Zayto is desperate to know if it was sent from his home planet; unable to decipher the message and losing hope, Zayto remembers another important message from the past.
General Boomtower tries to steal a mysterious orb from the city museum; when the Rangers struggle to stop him, they get help from an unexpected source.
Izzy is determined to win a big race with the help of her Special Olympics athlete cousin, Lily; after Lily misses a training session and Izzy rejects more help, her sportsmanship is put to the test.
Amelia thinks she's cursed with bad luck and is reluctant to help the Rangers, afraid she'll cause more harm; Amelia learns the truth about luck when monsters attack the base.
The Warden takes away Javi's keytar, putting him in a bad mood, which he refuses to explain to the team. Javi is forced to open up about his problems in order to find his Zord.
A familiar face arrives on Earth and Zayto dismisses his quest as a distraction; after he saves the Rangers from a powerful Sporix Beast, Zayto realizes an important lesson.