17. The Hunger Games: Mockingjay, Part 2.
The Hunger Games cast has said multiple times that the hardest scene in Mockingjay to shoot was the sewer scene. It was three weeks of shooting in an actual, hot sewer that Liam Hemsworth, the tallest cast member, couldn’t even stand up straight in. It didn’t help matters that their costumes were super absorbent, adding up to 20 pounds of water weight.