THREE'S COMPANY - "My Sister's Keeper" - Airdate: October 17, 1978. (Photo by Walt Disney Television via Getty Images Photo Archives/Walt Disney Television via Getty Images)SUZANNE SOMERS;DEVON ERICSON;JOHN RITTER;JOYCE DEWITT
THREE'S COMPANY - "My Sister's Keeper" - Airdate: October 17, 1978. (Photo by Walt Disney Television via Getty Images Photo Archives/Walt Disney Television via Getty Images)SUZANNE SOMERS;DEVON ERICSON;JOHN RITTER;JOYCE DEWITT