The Santa Clause (1994)

When a disillusioned man accidentally causes Santa Claus to fall off his roof, he finds himself magically recruited to take his place. As he struggles to navigate the jovialities and duties of his new role, the once cynical man rediscovers the true spirit of Christmas. The film's excellent use of practical effects seamlessly melds the mundane with the magical in a heartwarming must-watch that infuses viewers with holiday cheer.