Hoover made her television debut as a cast member on , the inaugural season of MTV's Road Rules in July 1995, a reality television series that followed five college-age cast members crisscrossing the country in a Winnebago. Following Road Rules, Hoover was hired as an entertainment correspondent for American Journal, a nationally syndicated magazine show. Hoover joined Fox News in 1999 as a correspondent for Fox Broadcasting Company's newsmagazine FOX Files and also served as a correspondent for The Pulse and Celebrity Spotlight, and also co-hosted the latter. She also hosted FOX Rules with Kit Hoover.
ESPN
Kit Hoover joined ESPN in August 2003 as co-host of ESPN2's innovative live morning show - Cold Pizza. Hoover, who conducted live interviews, presents features and highlights on the daily weekday two-hour program, joined Cold Pizza for its launch on August 26, 2003. She became a judge on ESPN's reality contest, Dream Job on February 1, 2004. Hoover became the lead Feature and Field Reporter for the Tennis events in January 2004-July 2006 as those were the Australian Open, Wimbledon and the French Open. Her role on the Tennis events was to be focusing on topics off the court and around Australia, Paris, and London as a Feature Reporter and for the Field Reporting is to give the breaking news while the Tennis match is going on and to interview the winner. She made her debut on the Tennis team on January 19, 2004. Hoover covered for Cold Pizza some of the big events such as the 2004 Summer Olympics, the 2004 Super Bowl, the 2005 Super Bowl, the 2004 NBA Finals, the 2003 World Series, and the 2004 World Series. In March 2005, she, along with Cold Pizza co-host Thea Andrews, were replaced by Dana Jacobson. Afterward, she continued her role for ESPN and continued her role on Dream Job and the tennis matches. Dream Job was cancelled on June 1, 2006. After failing to agree on a new role for her, Hoover left ESPN in September 2006.
2006 to present
From October 2006 to July 2008, Hoover was a correspondent for the TV Guide Channel. On July 27, 2008, Kit Hoover hosted Six Flags TV at the multiple Six Flags Theme Parks around the U.S. From 2008-2009 she hosted TLC’s lifestyle makeover series Real Simple, Real Life based on the magazine Real Simple. On August 3, 2010, Hoover made her first appearance on Shaquille O'Neal's sports reality television program Shaq Vs. on the début of its second season. She served as both the co-host of the show alongside Mike Goldberg, as well as the sideline reporter. Since September 13, 2010, she has co-hosted Access Hollywood Live with various co-hosts, and in 2019 became host of the flagship programAccess Hollywood.