Shia LaBeouf has revealed Transformers: Dark Of The Moon will be his final outing with the robots.

The actor, who reprises his role as Sam Witwicky in the third film of the franchise, insisted he won't be starring in any more Transformers movies, and hinted director Michael Bay may join him too.

"I'm not coming back to do another one. I don't think Mike will either," he told MTV News.

"It still is a hot property, I think, especially coming out of the third one. So I imagine they'll reboot it at some point with someone else."

Shia admitted it would feel strange to see another actor hanging out with Optimus Prime and Bumblebee, but said: "Yeah, you have an onus in it. I'll enjoy it. I'll go [see it] opening night, I'll be there. But there is a disconnect."

Both star and director plan to go out with a bang.

"Dark Of The Moon is the best movie we've made, I'm serious. It's not a joke. I'm dead honest, man. I get myself in trouble all the time, but this is our best instalment. It's our best movie," Shia insisted.

"It's the best action... This one is Black Hawk Down-ish. Also, this is our best story. It's the most solid screenplay we've had since we started. All those things plus new cast we have, John Malkovich, Frances McDormand, Ken Jeong, a lot of strong additions. Everything we got right in the first one, we've improved here."