At age 11, he booked himself an audition for a children's show at a New York nightclub, winning a spot along with others including future stars Sarah Jessica Parker, Rick Schroder, and Ricki Lake.
In 1987, he auditioned for the part of Wesley Crusher in Star Trek: The Next Generation, but lost to Wil Wheaton.
In 1991, after his Fun House stint, he went on to host the magazine video game series GamePro TV.
[3] In 1996, he took on the titular role of The Real Adventures of Jonny Quest, having been a childhood fan of the classic series.
After ABC chose not to continue the series, Roth took the show concept to NBC and Discovery Kids as Endurance.
Roth, who serves as creator, host, and executive producer of this show, which was nominated in 2006 for two Daytime Emmy Awards for Outstanding Performer in a Children's Series.
[8] While not working on Endurance, Roth serves as narrator on NBC's weight loss reality show, The Biggest Loser (with Caroline Rhea and, later, Alison Sweeney), which he also co-created and produces.
On September 23, 2008, ABC premiered Opportunity Knocks, which received low ratings, especially in the 18-34 demographic, and was canceled after three episodes.
[10] Roth's 3Ball Productions has partnered with Milestone Entertainment to produce the California Lottery's new game show, Make Me a Millionaire, which premiered on January 17, 2009,[11] for an initial four-year run,[12][permanent dead link] but was canceled due to poor ratings; the last program was on July 3, 2010.
Hosted by wrestler Chris Jericho, the show featured contestants answering trivia questions to stop valuable prizes from falling from the roof of a Los Angeles building.