Madagascar 4

Madagascar 4 was supposed to be the fourth entry in the Madagascar franchise. However, production was halted when Anne Globe stated that it was too early to tell. Despite work being done on the film, it was removed from its release schedule.

Why It Was Cancelled

 * The film was removed from the schedule.
 * In 2014, The Penguins of Madagascar was released in theaters.

Result

 * Madagascar 4 was permanently cancelled.