In one of the scenes, when Malcom is taking notes. Marlon Wayans breaks character and talks about how bad the Scary Movie franchise has gotten after the 2nd one.
Pierre Daniel, who had a brief role in the film sued Marlon Wayans for racial harassment. This was after Wayans posted a side by side photo comparing him to Cleveland Brown from Family Guy. The case was thrown out after the judge pointed out Daniel does in fact look like Cleveland Brown.
When Malcolm is trying to tell Megan and her kids about the ghosts and demon possessions, the daughter Megan is shown recording him with her cell phone. When the camera is in front of Megan you see the cell phone. But when the camera angle changes to looking over her shoulder at Malcolm, the cell phone disappears.
Malcolm: [Writing in a journal]
Is Agouhl... the same demon... that possessed Kisha? When... are the republicans gonna slip... and call Obama the N-word? When... are they gonna stop making scary movies... without the Wayans? They fucking suck!