Charlie Sheen :I'm On A Drug -- It's Called "Charlie Sheen"

Charlie Sheen explains to Andrea Canning in  his up-coming "20/20" interview  that the reason he's speaking up now is "there's some wrongs to be righted  , and there's some stories to tell that people need to  hear my side .

Sheen , who has already ranted day after day on  radios shows , taped his first interview over the weekend .

I have one speed , I have one gear . GO ! And I dare you to keep up with me . Sheens tells Canning while , at times , flanked by his two girlfriends .

In addition to addressing the production shut-down of "Two and a Half Men" and his very pub lic feud with the show's creator an d executiv e producer , Chuck Lorre , Sheen announces , "I am on a drug ....it's called Charlie Sheen  .

The full hour -long interview will air Tuesday on "20/20" as well as on "Good Morning America" Monday and Tuesday . Portions will also be on the networks website .

Will you be watching ???