29 de marzo de 1968 
Episodio 26
Ficha Técnica del Episodio
- Serie
- Viaje a las estrellas
- Temporada
- Temporada 2
- Episodio
- Episodio 26
- Fecha de emisión
- 29 de marzo de 1968
- Clasificación
- AA
- Cadena original
- NBC
- Tipo de episodio
- Final de temporada
- Código de producción
- 55
- Dirección
- Marc Daniels
- Guion
- Gene Roddenberry y Art Wallace
- Estado de la serie
- Terminó
Reparto del Episodio
William Shatner
James T. Kirk
Leonard Nimoy
Spock
DeForest Kelley
Dr. McCoy
James Doohan
Scott
Walter Koenig
Pavel Chekov
George Takei
Sulu
Nichelle Nichols
Uhura
Teri Garr
Roberta Lincoln
Eddie Paskey
Lieutenant Leslie (uncredited)
Robert Lansing
Gary Seven
Don Keefer
Cromwell
Barbara Babcock
Beta Five Computer (voice) / Isis (voice)
Frank da Vinci
Clifford Brent
April Tatro
Isis - human form
Edwin Rochelle
Man With Newspaper (uncredited)
Esther Ying Lee
Pedestrian (uncredited)
Bob Johnson
Ground Control (voice) (uncredited)
Rudy Doucette
Staff Member (uncredited)
Robert D'Arcy
Pedestrian (uncredited)
Bill Blackburn
Lieutenant Hadley / Rocket Base Technician (uncredited)
Paul Baxley
Security Chief
Ted Gehring
Second Policeman
Bruce Mars
First Policeman
Morgan Jones
Colonel Nesvig
Lincoln Demyan
Sergeant