Question: who ghost there alvin and the chipmunks?
Answer: This episode has the same title as the 1985 Alvin and the Chipmunks episode Who Ghost There? Alvin's line "They're here." is a reference to the film Poltergeist. Alvin saying "they came, they freaked, we conquered" is a reference to Julius Caesars famous quote "we came, we saw, we conquered."