Zero X/Appearances

The following is a list of appearances by Zero X.

TV Century 21 cover stories

 * Ambush!
 * Mars Ship Hi-Jacked
 * Miami Beach Disaster
 * ''Capt. Black Mars Expedition Lost!

Dateline 2088/9

 * Zero X: Four Crew Missing
 * Letters Special

Action 21 cover stories

 * Zero X Beats Space Curse!