"We are going to test one of our new potions on you. It can transform any living being into a Rigelian just like us !"

Befoe Bart could react, the aliens grabbed him with their tentacles, and injected a green, ooze-like liquid into his arm. As soon as they injected it, Bart could feel it run through his entire body, and he was already feeling rather weak. The aliens let go of him, and watched as their potion transformed their young human captive into one of their own kind. Bart fell to the ground and his entire started to shake rather violently, as if he was having a seizure. His legs and feet fused together into a giant mass, and his arms were absorbed into his body. His entire body became taller and bigger, and turned from yellow to green. His hair disappeared, and his two eyes fused into a single, huge one. The big mass that was formed from his lower body suddenly split into dozens of tentacles. His mouth became bigger and wider, and his voice became low-pitched. When the transformation stopped, Bart got back up, and saw, much to his horror, that he had been transformed into an alien, just like the ones that kidnapped him.

Kang and Kodos looked extremely pleased. Their experiment was a resounding success.

"This is perfect, Kodos ! Your Rigeliquid works like a charm !
-Indeed it does, Kang ! The juvenile human male is now a young Rigelian ! But remember that many potions remain to be tested.-
-You are right, my sister. What should we do ? Should we transform this yong human back to experiment on him further, or should we abduct another human ?"

The aliens decided to...