Mixed Doubles

 is the twenty-first episode of the seventh season and the 221st episode of the Bewitched series. The episode was completed by January 7, 1971.

Plot
When Samantha spends a restless night thinking about Louise Tate's troubles, a strange metaphysical occurrence takes place that has everyone thinking that Samantha is Louise and vice versa.

Cast

 * Elizabeth Montgomery as Samantha Stephens
 * Dick Sargent as Darrin Stephens
 * Agnes Moorehead as Endora
 * David White as Larry Tate
 * Bernard Fox as Dr. Bombay
 * Kasey Rogers as Louise Tate
 * Natalie Core as Betty
 * Mitchell Silberman as Jonathan Tate