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. When a Nighlok attacks, the Rangers combine their Zords to create the Samurai Megazord in order to defeat the monster.

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

The Rangers step in when a devious Nighlok tricks a young boy into giving up on his baseball dreams.

Struggling to master a secret power disc, Jayden foregoes a trip with the others to an amusement park where the rest of the team encounters the evil Nighlok Dreadhead.

When a Nighlok who uses insults as a physical weapon attacks the Rangers, only Emily is unaffected. To help her teammates, she explains how difficult events in life become an opportunity to grow stronger.

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.

Dayu crosses into the mortal world to cause misery by kidnapping brides on their wedding day.

A Nighlok uses mind control powers to force Kevin to fight against his fellow Rangers.

After Mike goes rogue in battle, Mentor takes Mike's Samuraizer away until he learns a deeper lesson about the nature of the Green Ranger's Symbol Power.

A Nighlok is sent to stop the Red Ranger from using his special power to seal Master Xandred in the Netherworld forever, but their duel is interrupted by the mysterious Deker.

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.

An old childhood friend of Jayden's claims that he is the Gold Ranger.

Jayden's childhood friend and self-made Samurai Antonio struggles to be accepted by the team as the Gold Ranger.

As Antonio attempts to gain Kevin's respect as a true Samurai, Octoroo devises a plan to create a stronger portal between the Netherworld and Earth via a secret ancient well.

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

Jayden is poisoned by Octoroo during his attempt to discover the Red Ranger's sealing symbol, which can lock away Master Xandred forever.

With Jayden kidnapped by Deker, the other Rangers must summon the strength to fight a mutant Nighlok without their leader.

When the Gold and Pink Ranger fall under the spell of a dream-inducing Nighlok, the other Rangers must enter the Dream World to save them.

Deker challenges the Red Ranger to fight him in the ultimate duel.

The souls of the failed and destroyed Nighlok trade war stories about their battles with the Samurai Power Rangers at a Halloween party in the Netherworld.

Join the Power Rangers the night before Christmas as they reflect on their first year together as a team, followed by an unexpected lesson about the true spirit of the holidays.

The Rangers discover cracks in the earth where water from the Netherworld is seeping in; a Nighlok uses the evil water to keep from drying out.

The Rangers must defeat an armored Nighlok without Antonio's help.

A Nighlok traps the spirits of four Rangers into inanimate objects; Mike and Emily must figure out how to defeat Switchbeast and save their friends.

Antonio develops a fear of fish that leaves him unable to be the Gold Ranger; a powerful new enemy arrives.

Octoroo kidnaps Antonio and Mentor Ji and uses them as bait to lure the Rangers into a Mooger trap.

Cody, whose family was the protector of the very first Samurai Zord, the Bull Zord, unleashes it by unlocking an ancient seal; Jayden gets a power disk to tame the beast as it goes on a wild rampage and heads for the city.

Mia's brother Terry comes into town and asks her to sing for his band, but instead he asks Antonio.

Kevin is unable to help the team when a Nighlok eats his Samuraizer; Dayu and Deker make a deal with Serrator.

Spike gets a job to help out his Uncle Bulk; the Rangers run into a Nighlok who can make mirror-like duplicate images of himself to confuse the Rangers.

Emily loses confidence; a Nighlok's black sand causes desperate hunger and thirst in the Rangers.

Kevin and Mike must learn to sync with each other when they become stuck together by a Nighlok's sticky ability.

Serrator spreads paranoia throughout the residents on the island of Monalua.

Jayden doubts that he has what it takes to be the Red Ranger; Master Xandred demands Serrator return Dayu's Harmonium.

The Rangers discover that Serrator's recent attacks have an ulterior motive - to crack open the earth and let the Sanzu flood it and thereby become ruler of both worlds.

When Serrator asks Deker to fulfill the final piece of his destructive plans, Antonio begs Deker to reconsider his role in the battle between humans and the Nighlok.

The Nighlok Fiera unleashes an overwhelming attack on the Red Ranger, but when he goes down another Red Ranger takes his place. Which one is the real Red Ranger? The answer will change the Samurai Rangers forever.

Jayden feels guilty for betraying his team; Deker tries to prey on Jayden's vulnerability and the two face off.

The battle between Jayden and Deker ends; the Rangers are torn between saving the world and saving Jayden.

Dayu makes the ultimate sacrifice; Master Xandred returns to the surface; Jayden rejoins the team; Lauren tries to use the sealing symbol.

After the water from the Sanzu River floods our world, the Rangers must battle Master Xandred as he makes his last stand.

The Rangers have to escape a malfunctioning Megazord in order to make it home for the holidays.

Master Xandred and Octoroo deploy a mind-bending Nighlok named Trickster, trapping the Power Rangers in a series of horror movies. The Rangers must figure out what is reality and what is illusion. Will the Rangers escape the nightmare?