Whenever two or more people engage in battle, time slows by a factor of five in the outside world, but inside the "combat bubble," physics speeds up by a factor of three.
In Dragon Ball Z they went as far as having an actually room that did that -_- . I'm waiting for the anime that has a single fight that lasts the entire season... wait I'm pretty sure Dragon Ball Z did if you count the build up, training for, red shirt sacrifices, last minute run-ins/power discoveries and aftermaths -_-.
Good guys always allow the bad guy to monologue.
That not limited to bad guys it works in reverse too.
More Gerbil listings...
9. No matter how many impossible feats a person sees they will still be astounded and disbelieving when they see the next one.
10. Nothing is actually taught in anime schools because they have no time between clubs, hanging out with friends in the classroom/elsewhere, holding down a job, chores and/or supporting your sole relative grandparent and of course fighting the forces of darkness.
11. Unlike car licenses or drinking you must be
under 21 to drive a giant robot.
12. Main character magical pretty girls must...
a. have a magically cute pet.
b. have pink somewhere in their outfit... ok so much pink it makes you want to gag.
c. do a slightly unsettling magical transformation considering their age.
d. never be the oldest or youngest in their group of super powered friends.
e. be unrecognizable while transformed even though nothing is concealing your face.
f. be ditzy.
13. Cites/areas devastated by fighting re-spawn in the episode after the fighting ends.
14. Even though you are wearing a impossibly small school girl dress you will still be embarrassed if your underwear shows.
15. If you are an old man with any significant part you will be lecherous.
16. No matter how much destruction and death secret beings or organizations cause, the general public will always remain oblivious to them.
17. If you can transform once you have at least two transformations to go.