ok... well i dont thik esf will include all 4 , i said 4 tranformations i esf.
1- in his little ship , always making finger laser, and hiding behind his crew.
2- when he see that hes overpowered by the lil ****ty hohan and krillin (and vegeta mouth on floor), he gets taller, bigger legs, huge shoulder pad. big chest , wide head big horn. and no he didnt killed krillin , dende revived him
3- he was getting owned by piccolo and nail fused. so he dicided to scream alot. he turned in to some kind of alien like veryone says. big orn on the back , and loonng head.
4- after screaming for a while and breaking all his armor, AHHH he finnaly achevied his transformation to the last one, lil smooth transformation , he was shoter than the other , long tail, he fought goku and went at his maximum strenght.. all huge but still got beaten.
"it was just a monkey"
metal freiza doesnt count as a transformation, he wanted to get revenge on goku but only found trunks that kicked well sliced both king cold (father of freiza) and himself.