Star Wars  by  George Lucas  was released in 1977
Runtime: 2 hours. Rating:  PG. Box Office: $500M.

Sharknado  by  Asylum  was released in 2013
Runtime: 1.5 hours. Rating:  PG-13. Box Office: $100M.

Avengers  by  Joss Whedon  was released in 2012
Runtime: 1.75 hours. Rating:  PG-13. Box Office: $990M.

The Room  by  Tommy Wiseau  was released in 2003
Runtime: 1.5 hours. Rating:  PG. Box Office: $50M.

E.T  by  Steven Spielberg  was released in 1982
Runtime: 1.7 hours. Rating:  PG. Box Office: $600M.