The top mistakes in I Saw Mommy Kissing Santa Claus http://www.moviemistakes.com/film7102 en Sat, 29 Nov 2008 06:55:30 +0000 130820 In the scene when Justin's father is coming out of the shed dressed as Santa Claus (the second time), the clock next to Justin reads 12:00. When he hears the "Ho Ho Ho" and gets up out of bed to go to his window, the clock says 11:56. 130190 Near the end of the movie, when Justin's mom is about to read the letters that he has sent to Santa and Mrs. Claus, in the shot of the back of the first envelope the flap as been folded in to close the envelope. But, in the next shot, when Justin's mom turns the envelope over to open it, the envelope has been licked shut.