Torchwood 

Special thanks to John F. for helping to compile this information.

The DVD releases of The Complete Second Season, Torchwood: Children of Earth and Torchwood: Miracle Day did not contain any episode-length audio commentaries.

 

Listing 13 commentaries.

Torchwood - The Complete First Season cover

Torchwood - The Complete First Season
13 commentaries
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Episode 1.01: “Everything Changes”
Commentators: Russell T. Davies Julie Gardner Brian Kelly

Episode 1.02: “Day One”
Commentators: Richard Stokes Chris Chibnall Eve Myles

Episode 1.03: “Ghost Machine”
Commentators: Helen Raynor Colin Teague Burn Gorman

Episode 1.04: “Cyberwoman”
Commentators: Chris Chibnall James Strong Gareth David-Lloyd

Episode 1.05: “Small Worlds”
Commentators: Alice Troughton Ben Foster Eve Myles

Episode 1.06: “Countrycide”
Commentators: Chris Chibnall Andy Goddard Gareth David-Lloyd

Episode 1.07: “Greeks Bearing Gifts”
Commentators: Richard Stokes Colin Teague Toby Whithouse

Episode 1.08: “They Keep Killing Suzie”
Commentators: Chris Chibnall James Strong Brian Minchin

Episode 1.09: “Random Shoes”
Commentators: Richard Stokes James Erskine Paul Chequer

Episode 1.10: “Out of Time”
Commentators: Alice Troughton Ben Foster Eve Myles

Episode 1.11: “Combat”
Commentators: Chris Chibnall Andy Goddard Burn Gorman

Episode 1.12: “Captain Jack Harkness”
Commentators: Richard Stokes Ashley Way John Barrowman

Episode 1.13: “End of Days”
Commentators: Richard Stokes Ashley Way John Barrowman

Involving 20 commentators.