From holidays past and present, ET with the stars coming back for a new round of movie classics. Inside our “Spirited” interview with Will Ferrell and Ryan Reynolds. Then, Tim Allen’s “Santa Clause” return, but this time with his real-life daughter. Plus, we’re with Peter Billingsley aka “Ralphie” dishing about “A Christmas Story” and why he waited decades to do a sequel. Then, Lindsay Lohan’s return to acting and why she just had to include a reference to “Mean Girls.” Plus, Justin Hartley takes us behind-the scenes of “Bad Moms Christmas.”