Space: 1999 

Special thanks to John F. for compiling this information.

 

Listing 4 commentaries.

Space: 1999: The Complete Series cover

Space: 1999: The Complete Series
4 commentaries
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Episode 1.01: “Breakaway”
Commentator: Gerry Anderson

Episode 1.04: “Ring Around The Moon”
Commentator: Scott Michael Bosco

Episode 1.23: “Dragon's Domain (Commentary 1)”
Commentator: Gerry Anderson

Episode 1.23: “Dragon's Domain (Commentary 2)”
Commentator: Anthony Taylor

Involving 3 commentators.