Rangers Forever! Earth's defenders never surrender!

Season 18 is culled from the deka 720p rips.  Season 19 (Super Samurai) is 1080p BluRay x264 rips from the Samurai Complete Season BluRay.  The exceptions are the 2 holiday specials in Season 19 are 720p deka rips (they were not included on the BluRay) and Season 18 episode 1 (Origins, Part 1) is an HQ x264 DVD rip from the Legacy Collection DVDs.

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Power Rangers: Samurai (often abbreviated as PRS or Samurai) is the eighteenth series entry of the Power Rangers franchise. It is an adaption of the 33rd Super Sentai season, Samurai Sentai Shinkenger. The second set of 20 episodes finished airing in 2012 and was called "Super Samurai".[1]

"Centuries ago in Japan, Nighlok monsters invaded our world, but samurai warriors defeated them with power symbols, passed down from parent to child. Today the evil Nighlok have risen once again and plan to flood the earth. Luckily, a new generation of heroes stand in their way. They are the Power Rangers Samurai."
―Narrator

A new generation of Power Rangers must master the mystical and ancient "Samurai Symbols of Power," which give them control over the elements of: Fire, Water, Sky, Forest, Earth and Light. Under the guidance of their all-knowing mentor and the aid of their devoted animal Zords, they battle the dark forces of the Netherworld and a mysterious warrior who is bent on destruction.

Power Rangers Super Samurai powers-up with the Rangers continuing to wage their battle against the evil Master Xandred, who has now joined forces with a new super villain, the malevolent Serrator.  Through the power of the Black Box, the Samurai Rangers are able to tap into the power of their ancestors and unlock Shogun Mode to help protect humanity from the Netherworld's vile villains. The Black box also allows the Super Samurai to morph into Super Mega Mode inside the Megazord cockpit, which enhances their powers to aid in the battle against super monsters. In addition, a new super weapon, the Bullzooka, will make its first appearance, harnessing some serious laser power to help in the battle to stop the evil Serrator. And with each new adventure, the day gets closer and closer when Jayden, the "Red Samurai Ranger"'s secret will be revealed.

After the cancellation of the series by Disney after RPM, the show was reacquired by Haim Saban's company, Saban Brands. Samurai premiered on its new network, Nickelodeon and Nicktoons, on February 7, 2011 in the US and May 7, 2011 in the UK. The season is the first to be shot and broadcast in HD and the second series to be split into more than one season without the changes made common in Turbo's second half since Mighty Morphin Power Rangers. Produced by SCG Power Rangers, the production's aim with the tone of Samurai is a "brighter tone and gets an infusion of fun and comedy that wasn't present in Jungle Fury and RPM.

Power Rangers: Super Samurai (often abbreviated as PRSS or Super Samurai) is considered the continuation of the eighteenth series entry, and the ninteenth official season of the Power Rangers franchise. It is the continuation of Power Rangers Samurai which continues the adaption of the 33rd Super Sentai season, Samurai Sentai Shinkenger. The season continues Samurai's tradition to be shot and broadcast in HD. The second set of 20 episodes began airing on February, 18 2012 at 12n/11c.[1]. Produced by SCG Power Rangers. The series picks up where the last season left off, with Antonio, the Gold Ranger about to access the Black Box.

Chronologically, Clash of the Red Rangers, a TV movie aired after Samurai, fits in the middle of this season