Paxton hosted "The Secret Life of Water", the first episode of the series "Planet H2O", which premiered in April 2006 on public television stations. In May of the same year, she made an appearance on the television series "Pepper Dennis", playing a teen actress. Paxton, who sees herself as an "evolving actress," then appeared in "Return to Halloweentown", replacing Kimberly J. Brown in the fourth installment in Disney Channel's "Halloweentown" series; she dyed her hair brown for the role. The film aired on October 20, 2006. During the summer and early fall of 2006, Paxton filmed "", a Lifetime Television film, in Vancouver Island. In the film, she plays Jessie, a college student who falls victim to binge drinking. Paxton has described it as "very different" from her previous roles, and has specified that she was looking for a role that would be a "challenge". The film aired in March 2007. Paxton's next film role was in "Sydney White", a college-set comedy starring Amanda Bynes and Matt Long; filming began on February 12, 2007 in Orlando, Florida and the movie was released on September 21, 2007. She next starred in "Superhero Movie", a parody on superhero films which began filming in September 2007 and was released on March 28, 2008. She provided backing vocals on her co-star Drake Bell's theme song for the movie "Superhero! Song".