Roswell is an American science fiction television series that imagines the rumoured Roswell UFO exists and its aliens are hiding in plain sight as a trio of high school-aged teenagers. Developed, produced, and co-written by Jason Katims, the series debuted on October 6, 1999 on the WB, and later shifted to UPN for the third season. The final episode aired on May 14, 2002. Sixty-one episodes in total were broadcast over the shows three seasons. In the United Kingdom, the show aired as both Roswell High and Roswell.

Jason Katims is an American television writer, producer, and playwright. He is best known as the creator of several television series, including Relativity (1996), Roswell (1999–2002), Friday Night Lights (2006–2011), Parenthood (2010–2015), About a Boy (2014–2015) and Rise (2018).