Revealing mistake: Very obvious ramp hidden behind the stall to allow for the cop car to jump.
Revealing mistake: When the microlight is flying, Tim Robbins' stunt is very noticeable.
Continuity mistake: When Lt. Welker meets Howard his arm is bent. A shot later it's raised.
Visible crew/equipment: When Dr Jenning is driving his stunt is very noticeable.
Revealing mistake: When they're riding with Jones look closely in some shots and you'll see Lea Thompson's stunt double.
Continuity mistake: For a few moments during the flight scene near the end of the film Tim Robbins has no handcuffs on, but they are back on again seconds later.
Continuity mistake: When Howard is reading the magazine and the place slightly shakes, the cigar on the plate next to him turns around 180ยบ between shots.
Deliberate mistake: When Howard is being sucked out of his planet by the laser beam the couch ignites but he doesn't.
Answer: He means, what happens to him in that very scene.