`` Yesteryear '' is the first episode of the second season of animated American science - fiction - television series . `` Yesteryear '' is the first episode of the second season of the animated American science fiction television series .
"Yesteryear" adalah episod pertama musim kedua animasi sains Amerika - fiksyen - siri televisyen. Yesteryear'' adalah episod pertama musim kedua siri televisyen fiksyen sains animasi Amerika.