Watch Abnormal Activity Full Movie Free Online 123Movies. In this hilarious in-your-face mockumentary spoof on the handheld movie genre, nothing is what you would expect, or is it? No matter how stupid or boring the footage becomes, Roger and Stacey videotape everything in hopes of seeing the spirits in action. Will they end up with a hit documentary, or will they find what ends up on tape is far worse than demonic activity?