One day on their expedition, Alien Dog broke out of his collar on Soto's space ship and crashed the vehicle. Alien Dog then ran free around Jump City where he bumped into dog Beast Boy. Beast Boy was abducted by Soto and Alien Dog ran free to be caught by the Titans. When Alien Dog was taken to Soto, Alien Dog became Soto's new master and put the shock collar on the large alien. The two drove off in their space ship, never to be seen again.
- Alien Physiology
- Genius Level Intellect: Soto's Dog is very smart and can even talk.
- Electro-Shock Collar: After his visit to Earth, Soto's Dog put the electro-shock collar on Soto. The dog then became Soto's new master.
- Soto's Space Ship
- 1 Appearances of Alien Dog (Teen Titans TV Series)
- 1 Images featuring Alien Dog (Teen Titans TV Series)
- Quotations by or about Alien Dog (Teen Titans TV Series)
- Character Gallery: Alien Dog (Teen Titans TV Series)