Complex sentence: It premiered in 1985 as part "The Funtastic World of Hanna-Barbera" and would be the last series to star Daws Butler as the voice of Yogi.
Split into simpler sentences: It premiered in 1985 as part "The Funtastic World of Hanna-Barbera". This would be the last series to star Daws Butler as the voice of Yogi.