Target: Earth

Target: Earth is the 20th episode in the series. It aired March 2, 1969.

Plot
Steve, Mark and Dan discover that a giant scientist named Dr. Franzen is working on a guidance system which could get a giant spacecraft to Earth. Franzen is only interested in peacefully exploring the solar system, and Mark proposes a deal to help him perfect the device in exchange for a ride back to Earth. Franzen accepts the offer, but his unscrupulous wife Altha Franzen secretly tips off Inspector Kobick.

Cast

 * Gary Conway as Captain Steve Burton
 * Don Marshall as Dan Erickson
 * Heather Young as Betty Hamilton
 * Don Matheson as Mark Wilson
 * Deanna Lund as Valerie Scott
 * Stefan Arngrim as Barry Lockridge
 * Kurt Kasznar as Alexander Fitzhugh

Supporting Cast

 * Arthur Franz as Dr. Franzen
 * Dee Hartford as Altha Franzen
 * Peter Mamakos as Logar
 * Kevin Hagen as Inspector Kobick
 * Ted Jordan as the SID Man
 * Denver Mattson as Sergeant #1
 * Ivan Markota as Sergeant #2

Notes & Trivia

 * Coming Up