All That
For two seasons, Jamie Lynn was a cast member on the comedy-variety show on Nickelodeon, All That. While on All That, she played many different characters, including one of her own creation- Thelma Stump, an 80-year-old bodyguard who loves bacon. She also did many On-Air Dares (a Nickelodeon version of Fear Factor) skits where she and other All That cast members had to do many disgusting tasks. She eventually left All That to star in Zoey 101.

Zoey 101
Jamie Lynn garnered her first starring role as Zoey Brooks in the Emmy Nominated Nickelodeon television show, Zoey 101. When the show debuted in January 2005, the show drew record numbers with the premiere of the show, which gave the channel viewers aged 9-14, its biggest viewership in the demographic for a premiere in eight years. Jamie Lynn stars as one of the first girls to enter a formely all-boy boarding school called Pacific Coast Academy. Zoey 101 was nominated for a 2005 Emmy. In 2006, Spears won a Nickelodeon Kids' Choice Awards blimp for best Female TV Star and best TV Female Actress. Spears also sings the theme song for the show, which was co-written by Emily Bob and her older sister Britney, entitled "Follow Me."