Solve the Mystery of the Transforming Terrible-Monster!

is the sixth episode of Ultraman Ace.
==Plot==
An astronaut named Koyama returns to Earth to his wife and son, but is waylaid by Yapool and his latest creation, Brocken. TAC helps Koyama bring his spaceship in safely, not realizing that he has been possessed by Brocken. Koyama goes home to his son, who notices that his father hasn't removed his gloves.
==Cast==
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===Guest Actors===
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===Voice Actors===
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===Suit Actors===
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==Appearances==
===Ultras===
*Ultraman Ace
*Ultraman 
*Zoffy 
*Ultraseven 
*Ultraman Jack 
===Kaiju===
*Yapool
*Brocken
==Home Media==
*Ultraman Ace Volume 2 features episodes 5-8.
Ace Vol.2 2004.jpg|2004 release
363.jpg|All 13 Volumes Set cover
Ace Vol.2 2010.jpg|2010 release
==Trivia==
*Akiji Kobayashi, who was playing Akira Koyama, previously played Toshio Muramatsu in the Original Ultraman Series. He was currently playing one of the main characters of Kamen Rider, Tōbei Tachibana. Also, the fifty-ninth episode of Kamen Rider, The Bottomless Swamp Monster, Earthworm Man! aired on NET a day after the airing of Ultraman Ace's episode on the Tokyo Broadcasting System.
*Stock footage of "Shine! The Five Ultra Brothers" when the four previous Ultra Brothers did their poses was used in this episode in the close-up of Ultraman Ace's Color Timer.
*The Ace suit has visible tears in the arms.