Block 40: Part 1-An Unknown Evil

Block 40: Part 1-An Unknown Evil (1日未知の悪 ;1-Nichi Michi no waru) is the 40th episode of Jettacosta Sentai Himitsuranger''. ''As the title implies, it is the first in a 3 part arc where Southern Cross tries to summon The End of the World as We Know It (or ITEOTWAWKI for short). It features the return of Masaya Kikawada as Kamen Rider 1, Tetsuo Kurata as Black RX, plus Heisei riders Kuuga, Kiva, Kiva-La, Fubuki, Zi-O, and Geiz. Cathedral Priest Rabbi dies in this episode. Woz also returns, but does not henshin.

Plot
When Rabbi uses the last of her strength to summon Hurricane for the king and queen, they plan to bring the world itself to its end. However, there are more heroes than the Super Sentai that have protected this world that won't go without a fight.

Cast

 * Eejanaika
 * Takabisha
 * Thunder Dolphin
 * Bandit
 * Hakugei
 * Stella Ryoshalde
 * Akira Ryoshalde
 * Venom Knight
 * Ocean Bride Cestria
 * Child of the Underworld Jasmine
 * Royal Scientist Galius
 * Tayio Nasca
 * Cathedral Priest Rabbi
 * Cathedral Guardian Emente

Guest Cast

 * Masaya Kikawada (黄川田 将也 Kikawada Masaya): Takeshi Hongo (本郷 猛 Hongō Takeshi)
 * Tetsuo Kurata (倉田 てつを Kurata Tetsuo): Kohtaro Minami (南 光太郎 Minami Kōtarō)
 * Nobunaga Shimazaki (島﨑 信長 Shimazaki Nobunaga): Kamen Rider Kuuga (仮面ライダークウガ Kamen Raidā Kūga)-voice
 * Kōji Seto (瀬戸 康史 Seto Kōji): Wataru Kurenai (紅 渡 Kurenai Wataru)
 * Nana Yanagisawa (柳沢 なな Yanagisawa Nana): Megumi Aso (麻生 恵 Asō Megumi), Kamen Rider Fubuki (仮面ライダー吹雪鬼 Kamen Raidā Fubuki)-voice
 * Sougo Tokiwa (常磐 ソウゴ Tokiwa Sōgo): So Okuno (奥野 壮 Okuno Sō)
 * Geiz Myoukouin (明光院 ゲイツ Myōkōin Geitsu): Gaku Oshida (押田 岳 Oshida Gaku)
 * Woz (ウォズ Wozu): Keisuke Watanabe (渡邊 圭祐 Watanabe Keisuke)
 * Hurricane

Jet Spirit
Akacosta: Eejanaika (Henshin), Exu Sabre, Mahine Houou

Midocosta: Takabisha (Henshin), Nara Screw (Nara Thunder), Machine BMX, Machine Hebi

Aocosta: Thunder Dolphin (Henshin), Ocean Rapier, Machine Dolphin

Kicosta: Bandit (Henshin), Twister Gun, Machine Turbo, Machine Bandit

Daiadosta: Hakugei (Henshin), Machine Hurricane, Super Hurricane Stick, Kujira Sabre, Machine Kujira

Jet Crimson: Draco Soul (Henshin), Dragon Arrow, Machine Blaze, Machine Draco

Jet Navy: Acrobat Soul (Henshin), Manta Sword and Shield, Machine Blaze