- Return of Ultraman Volume 5 Features Episodes 17-20.
- This is one of the Ultra Series' first team-ups.
- On the HD Version, the background is black when Ultraseven is discussing with Ultraman Jack, instead of orange.
- This episode was later featured in New Ultraman Retsuden episode 148 "Jack vs. Bemstar: Ultraseven Has Arrived."
- The episode was supposed to be released July 30th, 1971 but was delayed because of the Nippon Flight 58 accident being aired on the Tokyo Broadcasting System.
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