Planet of the Monsters

 is the twentieth episode of the first season of Star Teens in Space.

Summary
The Space Teens's spaceship has crash-landed on a strange Earth-like planet called Nova, which is millions of years behind of time and is inhabited by dinosaurs and other prehistoric animals, along with cave people.

Characters

 * Maria Tchaikovsky
 * Nikki Fox
 * Yuki Mori
 * Kunto Babatunde
 * Jenna Garcia
 * Ozymandias
 * Lagom Saylu
 * VIGA
 * Squatchel
 * Dinosaurs and other Prehistoric Animals
 * Cavepeople

Voice Cast

 * Alanna Ubach - Jenna Garcia
 * Dee Bradley Baker - Cavepeople, prehistoric animal sounds
 * Frank Welker - Squatchel, prehistoric animal sounds, cavepeople
 * Lacey Chabert - Nikki Fox
 * Laura Bailey - Maria Tchaikovsky
 * Matt Smith - VIGA
 * Nolan North - Lagom Saylu
 * Stephanie Sheh - Yuki Mori
 * Teala Dunn - Kunto Babatunde

Trivia

 * Dinosaurs and other prehistoric animals living on planet Nova include:
 * Tyrannosaurus
 * Triceratops
 * Velociraptor
 * Parasaurolophus
 * Pachycephalosaurus
 * Pteranodon
 * Stegosaurus
 * Spinosaurus
 * Allosaurus
 * Woolly Mammoth
 * Oviraptor
 * Plesiosaurus
 * Pachyrhinosaurus
 * Ankylosaurus
 * Saber-Toothed Cat
 * Styracosaurus
 * Brachiosaurus
 * Tylosaurus
 * Dimetrodon
 * Woolly Rhinoceros
 * Carnotaurus
 * Dilophosaurus
 * Archaeopteryx
 * Apatosaurus
 * Tupuxuara
 * Baryonyx
 * Kaprosuchus
 * Polacanthus
 * Acrocanthosaurus
 * Ceratosaurus
 * Cryolophosaurus
 * Dimorphodon
 * Cave Bear
 * Amargasaurus
 * Iguanodon
 * Therizinosaurus
 * Compsognathus
 * Quetzalcoatlus
 * Gorgosaurus
 * Pentaceratops
 * Giganotosaurus
 * Stygimoloch
 * Chilesaurus
 * Irish Elk