When does Ultra Seven return?

Ultraseven is a Japanese tokusatsu science fiction television series. It is the third installment in the Ultra Series and was produced by Tsuburaya Productions. The series aired on Tokyo Broadcasting System from October 1, 1967 to September 8, 1968. In the not-too-distant future, Earth is constantly under attack from extraterrestrial threats.
In the not-too-distant future, Earth is constantly under attack from extraterrestrial threats. The Terrestrial Defense Force establishes the Ultra Garrison, a team of six elite members who utilize high-tech vehicles and weaponry. Joining their fight is the mysterious Dan Moroboshi who is secretly an alien from the Land of Light in Nebula M-78.