When the Plutonian goes bad, one of his enemies decides to go the other way.
Sarah Jane needs to avoid a killer android and an alien that possesses bodies.
Ever wonder where Batman got his gadgets from? Well, one of the sources was a guy named Harold…
Season Two, Episode Twenty.
Sarah Jane decides to help a body-hopping genocidal alien.
Luke needs to defeat the Nightmare Man on the dream plane.
Season Four, Episode Seven
Luke has some anxieties.
Quark finds a baby that grows up very quickly and bonds with Odo.