S1.E20 ∙ Makka na Shitô! Nichirin Kamen Tai Aka Renjâ

The evil scientist Dr. Caronte plots to revive the brains of three dead scientists and use them to obtain the formula for the super-powerful neutron bomb. The resulting creation needs blood lots of blood, sending Caronte's midget assistant Nick and his legion of mutant monsters out to get fresh victims. However, the masked atom-superman Neutron vows to put a stop to Caronte's deeds.

An enemy is caught off guard when the black Core Medals appear and combine with the Gaia Memory into the giant Kamen Rider Core. Kamen Rider Core begins to destroy everything nearby as Kamen Riders OOO and W team up to fight the enemy.

Jen, Katie, Lucas and Trip receive a panicked call from Alex. Frax, he warns, is building Doomtron, a super-robot that will destroy the city. If the teens don't return to the future (3000) now, the won't survive. Wes, however, must stay in his own era-2001-so the teens stay and help him fight. Meanwhile, Ransik captures Frax, reprograms him in the Doomtron. As Frax attacks the city, giant vortexes begin to suck the buildings in the sky. Eric sends in Q-Rex but its no match for Doomtron. Things look bad...really bad. Not wanting to sacrifice the teens, Wes lures them to the Time Ship, activates the autopilot and sends them to the future. But for Wes and Eric, their future looks bleak as they fight for their lives. Too injured to fight, Eric gives Wes his Quantum Morpher. As Wes faces his final moments, Alex tells the teens that they must have their memories of 2001 erased but they'd rather go back and help Wes. Can the teens save their memories and return to 2001? If they do, how can they possibly survive thousands of C-bots and whirling vortexes? Could this be the end of time?

A quirky dramedy about a group of diverse fighters with special abilities who once saved the world from a great evil, who then reunite years later while coping with the mundane existential ennui of crumbling marriages, unfulfilling jobs, and drug abuse. Best described as Mortal Kombat meets The Big Chill.

This time the female ninjas are the bad guys and they have to fight a superhero called Jirasyso.