It consisted entirely of a melody sung on the syllable "Na," punctuated with the occasional "Way cool!" or "All right! All right!" and underscored by rhythmic instrumentation, ending with a resounding "Just do it!" A pilot for a follow-up series, Clarissa, was shot for CBS in 1995, but was not picked up by the network. The pilot was shown on two occasions on Nickelodeon after the original series had ended production. The new series would have involved Clarissa's internship at a New York City newspaper. Comedian Robert Klein costarred in the pilot as the newspaper's editor. Supporting roles were played by Marian Seldes and Lisa Gay Hamilton. In 2002, Hart said that she would not be interested in a cast reunion project: "No. Shirley Temple taught me one thing. And that was once you finish a career, you move on." In her next television series, Sabrina, the Teenage Witch, her character actually did become a journalist. Broadcast After debuting on Saturday, March 23, 1991, at 6 p.m, and repeating twice the next day, Clarissa Explains It All moved to Sundays at 12:30 p.m. and 6:30 p.m. starting on April 7, 1991. The following year the show moved to anchor the SNICK block of Saturday-night Nickelodeon programming, airing at 8 p.m. Saturdays starting on August 15, 1992. New airings continued to be shown at that time (with repeat airings at noon on Sundays) until the end of the series run. Reruns The series aired in reruns on Nickelodeon from 1994 to 1999, a second time in 2001 as part of the TEENick block, and a third time in 2004 as part of U-Pick Live Old School Pick. It also aired on The N from 2002 to 2003. The series returned in reruns to TeenNick on July 25, 2011, as part of its The '90s Are All That block. It aired at 10 p.m. Pacific / 1 a.m. Eastern, with the first episode having been 'The Understudy' from Season 2. TeenNick replaced the show with Rocko's Modern Life on September 5, 2011. The series returned to The '90s Are All That from September 26, 2011, to October 6, 2011, when the show was replaced with Hey Dude. It then returned to TeenNick on December 31, 2011, with the airing of the series finale at a special timeslot, 11:00 p.m., to celebrate the end of 2011, and aired on the block again at