0:00 Time Travel
0:39 Entropy
1:34 Order of Time
3:26 Double-slit Experiment
3:58 Observer Effect
4:41 Delayed Choice Experiment

References mentioned:
Quantum eraser effect: https://science.sciencemag.org/conten...
https://en.wikipedia.org/wiki/Delayed...
Wheeler's delayed choice: https://en.wikipedia.org/wiki/Wheeler...