Devila X1, The Flying Demon!!

Devila X1, The Flying Demon!! it's the 19th episode of Mazinger Z. This episode first aired in Japan on April 8, 1973.

Summary
Baron Ashura has a nightmare about Mazinger Z invading Saluud. After awaking up, Dr. Hell presents him his newest Mechanical Beast: Devila X1. Hell brags about its flight capabilities and orders Ashura to keep an eye on Devila during it's scouting mission.

Boss, Nuke and Mucha are selling tickets to Boss' birthday party. Koji berates them for charguing their classmates instead of just inviting them, but promises to show up as proof of their friendship nonetheless.

A scientist notices a strange cloud approaching the Photon Powr Laboratory and alerts his co-workers. After Sayaka leaves to warn Koji, the team raises the barrier as they notice the cloud is in fact a Mechanical Beast. Uncontested in the sky, Devila X1 takes pictures from above of the entire building.

(...)

Recurring

 * Koji Kabuto
 * Sayaka Yumi
 * Shiro Kabuto
 * Gennosuke Yumi
 * Dr. Hell
 * Baron Ashura
 * Boss
 * Nuke
 * Mucha

Machines

 * Mazinger Z
 * Hover Pilder
 * Aphrodite A
 * Devila X1

Weapons

 * Mazinger Z
 * Rocket Punch

Trivia

 * Ashura is shown playing the famous "Toccata and Fugue in D minor" during his nightmare.