1) A group of kids, a nerd, an arrogant and wealthy youngster, etc are forced together under a domineering supervisor who detests all of them for making him be there. (No wait, that's The Breakfast Club... and this.)

2) A spaceship crashes into a lake on an unknown planet. The occupants escape and as they reach the shore, they watch it sink. (No wait, that's Planet of the Apes... and this.)

3) A lot... A LOT of walking and climbing.

https://www.youtube.com/watch?v=BlV6YJAoNIE
https://www.imdb.com/title/tt5300154/