Tonton Streaming Battle of the Planets (1978) S1E15 - Attack of the Space Terrapin

G-Force is introduced and faces a challenge against one of Spectra's mightiest machines, the Space Terrapin. To control the Universe, Spectra will stop at nothing to steal Earth's most valuable mineral: Vitalumis. Mark, Jason, Princess, Keyop and Tiny (with help from 7-Zark-7 at Center Neptune) power The Phoenix to victory over Zoltar and Spectra.