Dark Specter sends an asteroid toward Earth, capable of wiping out everything. Karone tries to stop it, but is captured. Can the Rangers stop it in time? And what will happen to Karone?

Dark Specter tells Astronema that she must destroy Andros, but she's starting to remember her past as Karone. Can she kill her brother? Then, can the Rangers trust Astronema to take them to Zordon, or will she end up betraying them?