-You can hear the TF theme song from the Twins ice cream truck mode.
-When Ironhide transforms in the beginning he goes "Ugh!" in an "I'm getting too old for this" fashion.
-Optimus glaring at Galloway, and slight eye movement. (Galloway: "The Fallen shall rise again?")
-Optimus vs. Megatron. "Junkyard crap!" (you need subtitles to see this)
-Skids's tooth jingles when he talks.
-When Sam and Mikaela hide in the building, you can hear random Decepticons talking a lot.
-Judy throws her purse at Rampage.