Complex sentence: The derelict ship was used again in season 3, with a simple color change, and likewise the alien pursuer's ship in the "Sky Pirate", which was re-used in the episode "Deadliest of the Species".
Split into simpler sentences: The derelict ship was used again in season 3, with a simple color change. Likewise the alien pursuer's ship in "The Sky Pirate", which was re-used in the episode "Deadliest of the Species".