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UNITED STATES - SEPTEMBER 12: THREE'S COMPANY - 'Double Date' - Season Three - 9/12/1978, Jack (John Ritter) feigns an illness for Janet (Joyce DeWitt) and Chrissy (Suzanne Somers)., (Photo by ABC Photo Archives/ABC via Getty Images)

UNITED STATES - SEPTEMBER 12:  THREE'S COMPANY - 'Double Date' - Season Three - 9/12/1978, Jack (John Ritter) feigns an illness for Janet (Joyce DeWitt) and Chrissy (Suzanne Somers).,  (Photo by ABC Photo Archives/ABC via Getty Images)