A.R.O.G: A Prehistoric Film (Turkish: A.R.O.G: Bir Yontma Taş Filmi) is a 2008 Turkish science-fiction comedy film, directed by Cem Yılmaz and Ali Taner Baltacı, about a used carpet salesman who is sent back in time by an old interplanetary adversary out for revenge.

He tricks Arif into a time machine and sends him back 1 million years into the past.

After a series of adventures including an encounter with a T-Rex, Arif stumbles upon a settlement of cavemen.

Arif tries to teach them about modern technology, but it appears that they are being oppressed by a rival tribe and their leader Kaaya.

Commander Logar who warps into the past is left stranded there and eaten by a T-Rex while Arif and Ceku live happily ever after.