'That '70s Show' Spinoff 'That '90s Show' at Netflix Adds Six Diane of the 70 television show was a famous personality during the period. The lady captured each souls of many fans with the girl's unique character. Diane was depicted as a female total of enthusiasm combined with spunk. Her role stood for that trendy and cool subculture of this time period. Daphne's appearance on the seventies show will continue to be remembered as a significant element of its success.