The Next Dimension: A Dragon Ball Z Podcast Episode 8 part 2

The Ginyus return in part two of this epic saga! In this
installment, Jesse and Don go over the arrival of Goku and the
mysteries of the Super Saiyan legacy! What makes Vegeta think he
can just become a super saiyan by saying so? Is Captain Ginyu in
his original body when we first see him? What other shenanigans
do the Ginyu Force members get into outside of the original
story? All this and more in the exciting conclusion!