In 2011, Cartoon Network rebooted ThunderCats with an anime-inspired aesthetic. Fans hoped the reboot would revisit the "Greek episodes" concept. Unfortunately, the reboot leaned heavier into Japanese mythology (Panthro wielding nunchucks, the "Duelist" episode) rather than Greco-Roman tales.
While ThunderCats is primarily a sci-fantasy series (with Egyptian/Mayan/alien influences), several episodes feature direct references or strong parallels to Greek myths. Here are the most notable examples from the original series (1985–1989): thundercats greek episodes