When the Ultra Star Shines

When the Ultra Star Shines is the second and final Christmas episode of The Return of Ultraman that debuted on the Tokyo Broadcasting System on Christmas Eve 1971.

Plot
Lost in the battle after his solar energy is completely exhausted on Earth, the unconscious Ultraman (Jack) was captured and taken to Planet Nackle to be executed. Meanwhile on Earth, MAT are under Alien Nackle's control all except for Oka. What will become of them, and the Earth? Can the original Ultraman (Shin Hayata of the Science Patrol) and Ultraseven (Dan Moroboshi of the Ultra Garrison) rescue New Ultraman just in time to restore his power, and send him back to Earth for a rematch with Alien Nackle and Black King?