The fifth episode "Two Monsters Attack Tokyo" VS Gudun and Zintel, defeated (losing combat effectiveness under the attack of two monsters)
Episode 13 "Terror of Tsunami Monsters-Tokyo Crisis" Episode 14 "Terror of Two Monsters-Tokyo Giant Tornado" VS Simmons and seaweed, defeated (energy exhausted under the attack of two monsters)? PS: Thirteen episodes pave the way for the official defeat of fourteen episodes.
The first 16 episode "The Mystery of Terochilus" vs. Terochilus, defeated (shot down in the air battle and fell into the lake).
Episode 18 "Severn Altman Comes Again" VS Bermstein, defeated (Spicem's light is absorbed)
Episode 35? VS Plic magic, defeat (the opponent can't see the fusion with the sun)
Episode 37 "Altman Dies in the Sunset" VS Naxing King Braque Lost (Trapped)
The 40th episode "The Illusory Snow Girl" VS Si Nuo's defeat (dismembered after being frozen? Episode resurrection)
Extended data:
Ultraman Jack is the protagonist of Yuan Gu's special drama The Return of Altman. A member of the Otto brothers, he is also the coach of Otto Dojo. After returning to Otto, he served as the head of the Earth Department of the Cosmos Guard, and now he is the head of Otto's branch. The weapon is Otto bracelet.
References:
Baidu Encyclopedia-Ultraman Jack