When questioned about an upcoming event, Circuit discovers his memory has been altered by a mysterious source. No longer feeling he can trust his own memory, the robotic owl loses confidence in his ability to assist the Rangers. Meanwhile, running low on mutant criminals, Ransik sends out Serpicon to destroy the local Space Center. Can Circuit overcome his faults and aid Trip in shutting down the self-destruction system? Also, who's behind Circuit's memorybank hacking?