Invincible Super Man Zambot 3 (無敵超人ザンボット3 in kanji, transliterated as Muteki Choujin Zanbot 3 in romaji) is an anime series created by Yoshiyuki Tomino and Yoshitake Suzuki, and produced by Sunrise. It was first broadcast on Japanese TV in 1977. The series lasted for 23 episodes.
This, along with Tomino's 1980 series Space Runaway Ideon, are largely credited with creating Tomino's infamous nickname, "Kill 'em all" Tomino. This is due to Tominos' tendency to kill very large amounts of the main casts of his stories at the end. Often no one is spared, adults, elderly, women, men, and most notoriously children going even as young as infanthood. Most, if not all of Zambots' main cast dies at the end of the series. This was actually somewhat controversial because much of Zambots' main cast were very young children. Although they die a very heroic death, Zambot was a series primarilly aimed at a much younger audience and many felt it extremely sadistic to kill off young children in front of young children. There was no backlash, and this didn't seem to faze Tomino at all as his death count in Ideon is legendary even to this day, and this tradition has continued well through many of Tomino's other works including Aura Battler Dunbine, Zeta Gundam, Char's Counterattack, and Victory Gundam. (Wikipedia)