Door Knocker Comes to LifeWow.  The folks at Just for Laughs never seem to stop coming up with great pranks to pull on unsuspecting Canadians.

In the gag below, unsuspecting victims walk up to a door that appears to have a face-like doorknocker.

Just as they knock on the door, the knocker comes to life and scares the living daylights out of them.

Check it out below.