Yo!
Here is a breakdown of a typical DBZ show.
This works for practically every episode, except the ones where Buruma (Bulma) has to do something involving her ship.
For such an episode, subtract two instances of power-up grunting and insert 5 minutes of Buruma doing something with her ship.

Summary of what happened in the last epsiode: 1 minute. 

Witty, excessive banter between combatants: 2 minutes. 

Actual fighting: 30 seconds. 

Squatting or floating while grunting like constipated to bring up power levels: 5 minutes. 

Observers gaping open-mouthed, saying,"Come on, Goku"  and making noises like they're getting blow-jobs while watching the combatants power-up: 2 minutes.

Actual fighting: 20 seconds. 

Standing around or floating in the smoking aftermath: 1 minute.

More banter: 1 minute.

Actual fighting: 10 seconds. 

Banter, chasing each other, and taunting: 2 minutes. 

Power-up grunting: 3 minutes. 

Spectator "orgasming": 1 minute.

Mega-charged attack release: 1 minute. 

More banter in the smoking aftermath: 1 minute.

Gaping at the still-standing opponent and saying "That's impossible!": 1 minute. 

More fighting: 1 minute. 

Standing or floating while bleeding and threatening opponent: 1 minute. 

On the next episode of DBZ announcement: 1 minute. 

Credits: 1 minute.

Look for the rules to the DBZ drinking game, coming soon! 

- Beedo