It's a Three's Company Reunion on Suzanne Somers Breaking Through! After more than 30 years, Suzanne Somers and Joyce DeWitt reunite to talk about their history with Three. 1 févr. 2012 · Hear Suzanne Somers and Joyce DeWitt sing the theme song from Three's Company at their recent reunion on Suzanne Somers Breaking Through! See the full reunion here: • Three's Company Reunion.