'Transformers: Revenge Of The Fallen' Cheat Sheet: Everything You Need To Know

It could be the biggest blockbuster of the year, and millions of words have been written in anticipation of its opening. But that doesn't mean that "Transformers: Revenge of the Fallen" doesn't still have a few secrets.

With that in mind, we went straight to the folks behind the flick, getting the scoop on top-secret cameos, things to look for and fun winks at classic sci-fi characters from other franchises. Before you see the film, be sure to know what to look for — with some help from our MTV Cheat Sheet for "Revenge of the Fallen."

The Force Is With Him
"There's an R2-D2 flying around in there somewhere," revealed Scott Farrar, the film's visual-effects supervisor, who also worked on the "Star Wars" episodes "Return of the Jedi" and "The Phantom Menace." "There's a little bit of space junk thrown in there; see if you can find it. It's a scene in the desert." Interestingly enough, George Lucas' charismatic droid also had a blink-and-you'll-miss-it cameo in "Star Trek," which shares the same writing team as "Transformers." Is it a coincidence? "Perhaps," screenwriter Alex Kurtzman grinned mischievously. "Perhaps not."

Playing Footsy
Look carefully and you'll see some continuity errors involving Megan Fox's footwear. "There's a few scenes — if you look for it — my shoes always change," the actress laughed, revealing an error they discovered after shooting the film that has her character's shoes switching during various takes. "I go from wearing high heels to ballet flats. It's crazy!"

Rapper's Delight
It's no secret that Shia LaBeouf is good friends with Chris "Cage" Palko, a New York rapper the actor hopes to someday portray onscreen. Cage hung out on the "Revenge of the Fallen" set with his actor friend, and LaBeouf even talked the "Hell's Winter" rapper into filming a cameo. Look closely during one of the college scenes that has Shia's Sam Witwicky on the quad, and you'll see Cage's acting debut.

A Hair-Raising Moment
"We made history in this movie, doing an action scene that included the biggest amount of practical explosions ever in a [scene] that included actors," beamed a proud Tyrese, telling fans to watch out for the action scene that had him endangering life, limb — and many follicles. "[The scene has] all four of us in the cast — me, Shia, Megan and Josh [Duhamel] — we're all runnin', and it's [behind us] in big, beautiful slow motion. Still, to this day, I went to four different dermatologists — the hair that grew in the back of my neck has not grown back in because of this explosion. I'm a little concerned."

Hasta la Vista, Bumblebee
"I hope Michael doesn't get mad at me, but there's a T-1000 imprint on one of the Decepticons," revealed Farrar, risking the wrath of director Michael Bay while explaining a wink to the "Terminator" franchise — and one of the main summer '09 competitors to Bay's blockbuster. "[You can see] the letters T-1000 [on a robot]. We do it because we like to give a nod to the competition. It's OK; we're all friends."

That Sneaky 'Butt Cam'
Bay has spoken previously about Megan Fox's sexiness in her first "Revenge" scene, but according to the beauty, she didn't even know that the sneaky director was using a camera to shoot her from behind. "I'm bent over the bike, airbrushing the bike, and I'm wearing these really short shorts," Fox said of the scene. "I thought I was performing the scene with the camera on my face! I was playing to a camera [in front of me], but he had a multiple camera going that was on a dolly — sliding in and out from behind me. My dialogue isn't even on camera!" Grinning, she said she forgave her director's sneakiness: "I don't find it sexy. He's trying to get people in the theater. I guess he thinks it's sexy."

Check out everything we've got on "Transformers: Revenge of the Fallen."

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