Frieza saga:
1) Sends out crappy ginyu force.
2) Sits in big pod, and waits for dragon balls to be found.
3) Somewhere along the line, Frieza transforms a couple times... when he's "finished" with transforming, Goku shows up and turns SSJ1.
4) Big battle, all but Goku and Frieza leave, fight to death, Frieza dies in backfire.
Cell saga:
1) 5 andriods show up, goku has heart disease.
2) They eventually get rid of 19 and 20, but 16, 17, and 18 are still lose.
3) Cell absorbs 17 and 18, 16 still alive.
4) Goku fights cell, sends Gohan in after he dies.
5) Gohan goes into SSJ1, Cell destroys 16.
6) Gohan gets hella angry, goes SSJ2 and kicks cells butt.
7) Hercule takes all the credit.
Buu saga:
1) Babidi shows up, attempts to ressurrect Buu with Dabura at his side.
2) Vegeta's mind gets corrupt and is controlled by Babidi.
3) Vegeta and goku fight, then they stop and go after Babidi.
4) Buu is ressurrected and is fat.
5) Gohan shows a lesson of SSJs to Buu.
6) Babidi is killed by Buu and Buu takes over.
7) Buu is overwhelmed by evil and becomes Super Buu
Super Buu absorbs people.
9) Goku and Vegeta use potaras to fuse.
...
How damn non-repetitive does it have to be?!