She also became a special correspondent for The Tyra Banks Show, starting in early February 2007.
From August 2008 to March 2011 Fishel hosted The Dish for the Style Network, which satirized pop culture in a format similar to sister network E!
She is known for her role as Topanga Lawrence-Matthews on the 1990s teen sitcom Boy Meets World, and its 2014 successor Girl Meets World on Disney Channel.
Fishel also appears in National Lampoon's Dorm Daze and its sequel, and was a spokeswoman for Nutrisystem.
Fishel was also on Fuse TV as host of The Fuse 20, and was a guest star on the round table on an episode of Chelsea Lately.
By 2010 she had gained some of the weight back, and told People magazine she could not maintain her Nutri System weight.
She took home a 1998 Young Star for Best Performance by a Young Actress in a Comedy TV Series.
Fishel was on the cover of GQ's hottest stars to watch in GQ's 1997 October issue.
In 2006, Fishel appeared as a guest on The Tyra Banks Show where she discussed her dramatic weight loss with the use of the Nutrisystems Diet.Following her appearance on the show, Fishel became a spokesperson for Nutri System.“It’s easy to remember,” she told the of being mistakenly called by her character's name on the street.“That’s part of the reason why it’s never surprised me or bothered me that somebody doesn’t know my real name.) is an American actress and television personality.She quickly moved on to do voice-overs and commercials, including several as a Barbie Girl for Mattel.Soon after, she appeared on two episodes of the hit show Full House, guest starring as a character named Jennifer.She is also a resident reporter on Pop Sugar, and their spin-off You Tube channel, Pop Sugar Girls Guide.In 1991, at the age of 10, Fishel was discovered in a community theater where she performed in two productions, The Wizard of Oz and Peter Pan.In 2006, she appeared in three made-for-DVD releases: National Lampoon's Dorm Daze 2 (appearing again as "Marla" from the first film), the action film Gamebox 1.0 (playing a dual role), and The Chosen One, an independent animated film in which she provides the voice of the lead female character. From August 2008 to March 2011 Fishel hosted The Dish for the Style Network, which satirized pop culture in a format similar to sister network E! Fishel was also on Fuse TV as host of The Fuse 20, and was a guest star on the round table on an episode of Chelsea Lately.In 2006, Fishel appeared as a guest on The Tyra Banks Show where she discussed her dramatic weight loss with the use of the Nutrisystems Diet. Beginning in 2012, Fishel became the host of MSN TV's Last Night on TV.The long-running show ended in 2000 after seven years.Fishel was on the cover of Seventeen in December 1998.