The Deadly Dart

The Deadly Dart is the 20th episode of Season Two of Land of the Giants and the 46th episode overall. It aired February 1, 1970.

Plot
Two SID agents turn up dead, killed by poison injected at the ankle, and at the crime scene, the police find the footprints of the Earth people and a blowgun with Mark's initials inscribed on it. Back at the Spindrift, Mark and the others learn a giant reporter named Bertha Fry is spreading accusations that the Earthlings are murderers and should be exterminated. Fitzhugh openly accuses Mark of being the killer and when more evidence mounts against him, Mark mysteriously disappears. When a giant lab is blown up and another giant is murdered, Steve races to locate Mark who he suspects is really being set up by the reporter who wants her "big story".

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

 * John Dehner as Lieutenant Grayson
 * Madlyn Rhue as Bertha Fry
 * Christopher Dark as Seargant Barker
 * Don Barry as Dr. Zoral
 * Kent Taylor as Doc Jelko
 * Willard Sage as Inspector Swan

Notes & Trivia

 * This episode is alternately known "The Retaliator."