by Hal Erickson
synopsis
Believing that she has flipped her lid, Darrin's mother, Phyllis (Mabel Albertson), checks herself into a sanitarium after witnessing Samantha's magical redecorating technique. Unwilling to let Phyllis languish in an institution, Sam decides to reveal the truth about her witchcraft. Trouble is, the Witches' Council has temporarily removed Sam's powers. Ineluctable Bewitched supporting player Bernie Kopell is here cast as Dr. Rhinehouse. Written by Lila Garrett and Bernie Kahn, "Samantha's Secret is Discovered" first aired on January 22, 1970.