Episode 63, "Pursue Doctor Gero…! The Search for the Mysterious Laboratory!" or, "Dr. Gero Needs Changing"

*****SPOILERS*****
Episode 63, "Pursue Doctor Gero…! The Search for the Mysterious Laboratory!" or, "Dr. Gero Needs Changing"

*****SPOILERS*****
Episode 62, "Piccolo’s Assault! The Missing No. 20 and the Future Gone Eschew"
*****SPOILERS*****
Synopsis: Hoping to get back to his laboratory, Artificial Human 20 attempts to evade Vegeta and the others by hiding among hte rocks. Attempting to flush him out, Vegeta fires a ki beam that 20 absorbs, and then the Artificial Human escapes. Knowing he can sneak up on the fighters and absorb their energy, No. 20 decides to attack Piccolo, reasoning he’s the next most powerful to Vegeta. He attacks, but Piccolo telepathically alerts Gohan, who saves him. After taking a senzu bean, Piccolo prepares to square off with 20. He easily dominates 20 in combat, surprising everyone. Meanwhile, Trunks returns from the future and sees the head of 19, who he doesn’t recognize. He heads over to where the others are and reveals that these androids are not the ones he knows. Frustrated, Artificial Human 20 fires at the craft Bulma arrives in.
Episode 61, "No Chance of Victory Against No. 19! Super Vegeta Arrives Late"
*****SPOILERS*****
Synopsis: As Goku has his energy drained from him by No. 19, Vegeta arrives, as smug as ever. After taunting the Artificial Humans, Vegeta transforms into a Super Saiyan, amazing everyone. He explains that during training, he became so enraged at himself for not keeping up with Goku, that his anger transformed him. Vegeta dominates 19, who tries to take advantage of him by grabbing his hands, but ultimately has his hands torn off. 19 tries to escape, but Vegeta fires a "Big Bang Attack" that destroys him. Artificial Human 20 escapes into the high rocks and everyone gives chase.
Episode 60, "Attacked on Both Sides by an Internal Enemy?! Son Goku vs Artificial Human No. 19"
*****SPOILERS*****
Synopsis: Yamucha reveals that the Artificial Humans are capable of draining energy. He flies off with Kuririn and Gohan to warn Goku and the others about it and bring senzu beans to them. Goku and the others land in a deserted area. Tenshinhan notices that Goku’s already out of breath for some reason. One of the Artificial Humans, no. 20, reveals that Dr. Gero had a small robot investigate Goku during many of his major battles in order to gauge his power. However, they didn’t think it was necessary to follow them to Namek, which Goku and his group see as a big slip-up, as they have no idea that Goku is a Super Saiyan. Goku transforms into a Super Saiyan and Artificial Human 19 engages him in battle. The two exchange blows. Gohan and the others arrive, and Gohan and Piccolo notice how Goku is rushing the battle and seems weaker than expected. Goku fires a Kamehameha, which the android absorbs. No. 19 gains ground in the fight. Gohan reveals that Goku’s heart virus is acting up, as he never took the medicine, since it never manifested before now. Even a senzu bean doesn’t help Goku, and 19 pins Goku down, absorbing his energy.
Episode 59, "The Pair Who Don’t Leave a Trace! The Artificial Humans Appear"
*****SPOILERS*****
Synopsis: Goku and his allies (sans Vegeta) gather near the city where the Artificial Humans are going to attack. There, Bulma introduces her child, Trunks. Yajirobe arrives with senzu beans, but refuses to stay. Yajirobe’s sky car is destroyed in an explosion on its way away from the scene. Seeing two figures fly into the city, Goku and his group investigate the city. Yamucha encounters the Artificial Humans, one of whom plunges his hand through him. Goku and the others fly over, and Yamucha is taken away to be healed while Goku, Tenshinhan, and Piccolo fly off with the Artificial Humans to find somewhere to fight.
Wherein they practically admit their previous efforts sucked.