In 1998, RKO Home Video released the first and second seasons on DVD. The following year, RKO released the third, fourth and fifth season DVD releases, both in 1999. In 2000, RKO released the sixth, seventh, eighth and ninth season DVDs. In 2001, RKO released the tenth, eleventh and twelfth seasons on DVD. In 2002, RKO released the thirteenth, fourthteenth and fifteenth seasons on DVD. In 2003, RKO released the sixteenth and seventeenth season DVD box sets. In 2004, RKO released the final season on DVD. In 2005, RKO released all episodes on DVD as "Travel in Space: The Complete Series".

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