Mackenzie Phillips is reflecting on the moment that ended her run on "One Day at a Time."The sitcom star recently attended Fanboy Expo Knoxville in Tennessee, where she spoke about the "morals clause" in her contract and how it contributed to her abrupt departure from the series."One Day at a Time" made Phillips a household name alongside co-stars Bonnie Franklin and Valerie Bertinelli.Behind the scenes, however, the actress was battling addiction.
The 66-year-old said her struggles with substance abuse led to additional provisions in her contract.MACKENZIE PHILLIPS SAYS SHE AND VALERIE BERTINELLI DRANK WINE, DID COCAINE DURING SITCOM BREAKSMackenzie Phillips starred as Julie Cooper on the CBS television comedy series "One Day at a Time." She recently told a panel at Fanboy Expo Knoxville in Tennessee that she had a "morals clause" in her contract before her abrupt end.(CBS/Getty Images)"We all had a morals contract, but mine was a little more specific," she said at the event, People magazine reported.According to the outlet, the actress said that if producers suspected she was "under the influence," they would "have the right to take [me] to a doctor for urinalysis."Mackenzie Phillips's character was written off after she was fired.
(CBS/Getty Images)Phillips said everything changed during a lunch break between scenes.WATCH: MACKENZIE PHILLIPS REVEALS WILD COCAINE-FILLED BREAKS WITH VALERIE BERTINELLI"One day, I was asleep on the couch," she recalled."It was lunch hour.
Everybody would just take a little nap.And [co-executive producer] Patricia Fass Palmer, who I hated for years, and now we're very good friends, she came up to me, and she said, 'Mac, wake up.
Wake up.We're gonna take you to the doctor and have you pee in a cup.'"Carly Simon, James Taylor, Mackenzie Phillips and Peter Asher attend a party at Studio 54 in New York City on April 17, 1978.
(John Bright/WWD/Penske Media via Getty Images)Phillips told the panel her first reaction was to ask for more...