Complex sentence: Mekaneck appears in three episodes of the toy line's accompanying cartoon series by Filmation: "Disappearaing Dragons", "Here, There, Skeletors Everywhere" and "Search for a Son".
Split into simpler sentences: Mekaneck appears in 3 episodes of the toy line's accompanying cartoon series by Filmation. The episodes are "Disappearaing Dragons", "Here, There, Skeletors Everywhere" and "Search for a Son".