1977 Nancy Drew Meets Santa Claus

Nancy Drew Mysteries S2.E12 Will the Real Santa Claus...?
Episode aired Dec 18, 1977 The Hardy Boys/Nancy Drew Mysteries (1977)
A burglar dressed as Santa. A drifter in a stable next door, gets accused for burgling. Nancy don't believe that this gentle man is guilty, so she starts looking for clues. A mysterious car around. Who and what is going on?
Director: Michael Pataki
Writer: Michael Sloan
Stars: Pamela Sue Martin, William Schallert, Dan O'Herlihy