The series aired on TBS Television affiliates on the Wednesday 7:00 PM time slot from April 4, 1979 to March 26, 1980, lasting a total of 50 episodes.

EGG3 officer Chouichirou Hikari was scouted to join the Science Defense Squad on Earth but while on his way back, he was bonded to Ultraman Jonias, an Ultra-Person of U-40 who was sent by his brethren to fight against the monster threats and alien invasions.

In the four final episodes, Heller sent a full-scale invasion on Earth to wipe humanity after fearing that they would cooperate with the remaining Ultra People.

When the SDS were about to be killed by Mac Datar, Hikari's secret was exposed to save his comrades before joining the remaining seven Ultras in foiling Heller's attempts to escape.

In addition, the "popular monster large parade" of "5 Nights Series Super TV" (March 26–30, 1984, Ultraman Taro, Mirrorman, Fireman, Jumborg Ace) digest version had been featured.

Ultraman II was a dub of the first four episodes co-produced by Tsuburaya Productions and Associates Entertainment International.

", a special seven-hour block of programming from TBS (Tokyo Broadcasting System), hosted by actor Telly Savalas.

The episode was dubbed into English by William Ross (Frontier Enterprises) in Japan and was sponsored by Bandai America.

Factory announced to have struck a multi-year deal with Alliance Entertainment and Mill Creek, with the blessings of Tsuburaya and Indigo, that granted them the exclusive SVOD and AVOD digital rights to the Ultra series and films (1,100 TV episodes and 20 films) acquired by Mill Creek the previous year.