Mr. Shoop has big plans for the summer but teaching a remedial English class in summer school isn't one of them! Have fun finding these movie mistakes in "Summer School" starring Mark Harmon.

Mayhem ensues when a city parking meter attendant signs up for a secret confidence building class only to have the teacher become his arch-nemesis! Try to find these movie mistakes in "School for Scoundrels".

Superman finds that some things have changed while others have remained the same when he returns to Earth after a long trip to the remnants of Krypton. Look for these movie mistakes while watching "Superman Returns" starring Brandon Routh.

Sensing the destruction of planet Krypton, Jor-El sends his young son, Kal-El to Earth where eventually grows into the superhero, Superman. Try to catch these movie mistakes while watching "Superman" starring Christopher Reeve.

George Reeves appeared as the man of steel in this 1951 Superman feature. Superman must save the tiny mole-men and the town that's in a state of panic. Try to use your x-ray vision to see these movie mistakes!

Some sequels are just as popular as the original movie but others fall by the wayside just by being made! Let's look at some sequels that made some film fans wonder why they were made!