In this episode earth's special forces battle become frustrated with the speed of their training and demand the training that Goku recieved. So Mr. Popo tells them that they must know they are stronger and know the enemy to defeat it. So they go into the Pendulum Room and go back in time to the planet Vegeta to see what they are up against. They encounter two saiyans and are all killed by them. Fortunately they were not really ther it was all in their minds. Then Mr. Popo tells them that the incoming saiyans are twice as strong as the ones they encountered!!