Shadowhunters premiered on television.
`` Mars vs. Mars '' is the fourteenth episode of the first season of the American mystery television series Veronica Mars .. Veronica Mars. Veronica Mars ( character ). first season. Veronica Mars ( season 1 ). mystery. Mystery fiction. television series. Television program. The episode 's teleplay was written by Jed Seidel and Diane Ruggiero , from a story by series creator Rob Thomas , and was directed by Marcos Siega .. Rob Thomas. Rob Thomas ( writer ). Jed Seidel. Jed Seidel. Diane Ruggiero. Diane Ruggiero. Marcos Siega. Marcos Siega. The episode premiered on UPN on February 15 , 2005 .. UPN. UPN. The series depicts the adventures of Veronica Mars -LRB- Kristen Bell -RRB- as she deals with life as a high school student while moonlighting as a private detective .. Veronica Mars. Veronica Mars ( character ). Kristen Bell. Kristen Bell. private detective. private detective. In this episode , Veronica and her father Keith -LRB- Enrico Colantoni -RRB- take opposing sides when Veronica 's world history teacher , Mr. Rooks -LRB- Adam Scott -RRB- is accused of sexual assault on a student .. Adam Scott. Adam Scott ( actor ). Keith. Keith Mars. Enrico Colantoni. Enrico Colantoni. world history. world history. sexual assault. sexual assault