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
 * Cloud of Death
 * City of Doom

Fireball XL5

 * Interlude
 * Interplanetary Rescue

TV Century 21 cover stories

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

TV21 Stop Press

 * Brains Dies in New York