The Divergent Series: Allegiant (2016)
Everyone was looking to cash in on the success of The Hunger Games but fail actually succeeded. One of the biggest disappointments from the dystopian franchise came when the 4th movie was cancelled, ultimately leaving the trilogy ending on a cliffhanger.
Talks of a TV show were in the works but later scrapped after Shailene Woodley said she would not reprise her lead role.
Hopefully no one is visiting this site hoping to enhance their intelligence.
Actually, no they don't Phil. Several have been rebooted or re-imagined. But these particular film series stopped with these actors.