He, along with Billy Cranston, Kimberly Hart, Jason Lee, and Trini Kwan were picked as Power Rangers by Zordon. He gained the Mastadon Power Coin and the Mastadon Dinozord.

Zack was the jokester of the team. He liked dancing, magic tricks, and especially girls. He cares for his friends and tries to cheer them up while they are down.

He was dating a girl named Angela, whom seemed to find him funny and unpredictable.

Zack gained a new zord, the Lion Thunderzord.