Mike figures out the hard way what it means to be a Samurai Ranger after a Nighlok attacks him and his friends.

Kevin is assigned the crucial task of catching the elusive SwordfishZord in order to save the other Rangers who have been incapacitated by the stench of the Nighlok Yamiror's breath.

Jayden leaves the Shiba house hoping to keep the other Rangers out of harm's way, but when a powerful Nighlok attacks, Jayden finally accepts the fact that he needs his team to fulfill his role as the leader of the Samurai Rangers.

The Rangers must defeat the evil Splitface who steals people's spirits including the Yellow Rangers before they fall into an eternal sleep.

As invasions from the Netherworld increase, the Red Ranger unites a new team of Samurai Rangers to meet the rising threat.

As the teens continue their transition into their new secret lives as Samurai Rangers, Emily reveals a surprising truth about herself.

The Rangers discover that cracks in the earth are now allowing pools of Sanzu River water to seep into our world from the Netherworld and that a mutated Nighlok is using the evil water to keep from drying out as it wreaks havoc throughout the city.

When malicious aliens make their way to Earth's orbit, Gosei decides to form a new team of teenage heroes to defend the planet and carry on the proud tradition of the Power Rangers.

With that battle won, the civilians attempt to restore order. Back in the classroom, Mr. Burley lectures with new purpose, stating that when faced with great adversity the human spirit will always prevail. On the beach where Robo Knight fell, Troy remains pensive, more determined than ever to find their lost friend.

Following Prince Vekar's destruction, Vrak resurfaces and makes his latest plan to destroy Earth with the help of a reprogrammed Robo Knight.

With two of the drills in the Earth, the Rangers must rescue Orion from Vrak and free Robo Knight from Vrak's control before the final drill can be placed.

A fun rivalry between Tyler and Ivan becomes a problem when it interferes with the efforts of the Rangers to find and defuse a bomb planted by Sledge's monsters.