[Goldar's Revenge]

It had a lot to do with the production turmoil that was going on. Tzachor was taking over as showrunner from Levy and had some sort of clash with Sloan. Sloan has said that he barely remembers Turbo. So it stands to reason the production issues hurt the quality of the show. By the time we got to the second half Lynn was the Story Editor and things go back on track. The new characters breathed new life into the series as well.