Complex sentence: At the end of Season 7, a stressed-out Bubbles retrieves and restores Conky, then finally realizes that he needs to lose him for good and "drowns" him.
Split into simpler sentences: At the end of Season 7, a stressed-out Bubbles retrieves and restores Conky. Eventually, Bubbles realizes that he needs to lose Conky for good and "drowns" him.