Horatio Hackenbacker/Appearances

The following is a list of appearances of Horatio Hackenbacker.

Season 1

 * The Man from MI.5

Thunderbirds

 * The Vanishing Ray
 * Sands of Terror
 * Solar Danger
 * Blackmail for Power

TV Century 21 cover stories

 * Space Hi-Jack
 * Suicide!
 * Monster Attacks Thunderbird 3
 * Death-Lake Terror
 * Mysterons Destroy Cloudbase?