Brian has a flashback to when he was younger and his dog was hit by a car, a story he told in this episode (and was never mentioned again), he then save's Colin the dog from the same fate.
Mike says "There's a storm coming" in Spanish, then Tim asks what he said, for him to say it in English, spoofing the scene from this movie when the same dialogue is said.
Daisy sees ghostly faces which are made to look exactly like the ghostly face that appears in this film, they also act the same, speak the same and serve a similar purpose.