Three's Company 

Special thanks to Ryan S. for compiling this information.

The DVD releases of Season One, Season Five and Season Eight did not include any audio commentaries.

 

Listing 6 commentaries.

Three's Company: Season Two cover

Three's Company: Season Two
1 commentary
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Episode 2.22: “Days of Beer and Weeds”
Commentator: Chris Mann

Three's Company: Season Three cover

Three's Company: Season Three
1 commentary
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Episode 3.19: “The Bake Off”
Commentator: Chris Mann

Three's Company: Season Four cover

Three's Company: Season Four
1 commentary
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Episode 4.09: “Chrissy's Hospitality”
Commentator: Chris Mann

Three's Company: Season Six cover

Three's Company: Season Six
1 commentary
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Episode 6.01-6.02: “Jack Bares All”
Commentator: Dave Powers

Three's Company: Season Seven cover

Three's Company: Season Seven
2 commentaries
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Episode 7.06: “Opening Night”
Commentator: Richard Kline

Episode 7.10: “The Impossible Dream”
Commentator: Richard Kline

Involving 3 commentators.