The Sleuth Gals! (TV Series)

The Sleuth Gals! is an American animated series based on the comic strip series of the same name created by Emilia Houghton, being produced by Moonlake Animation and Nickelodeon Animations Studios and aired on Nickelodeon from January 16, 2004 until May 30th, 2009.

Synopsis
Two twin sisters, the girly Amanda Hale and the tomboyish Lynn Hale reside in their small town of Callcourt, and decide to set up a detective agency, solving various mysteries.

Main

 * Amanda Hale (voiced by Ashley Johnson) - a girly and fashion-obsessed yet intelligent, giddy, and friendly teenage girl who really loves her job and is rather friendly towards people.
 * Lynn Hale (voiced by Christy Carlson Romano) - a competitive, slightly aggressive, somewhat immature, but caring and protective tomboy who loves sports yet likes helping out her sister.

Supporting

 * Sam and Cora Hale (voiced by Mark DeCarlo and Leigh-Allyn Baker respectively) - Amanda and Lynn's friendly parents who were once detectives but now settled down and formed a pie shop.
 * Brooklyn Aguinaldo (voiced by Alanna Ubach) - Lynn’s nerdy, peppy, and somewhat tomboyish sports partner who loves to hang out with her and Amanda any chance she gets, though she does appreciate being alone to concentrate as well.
 * Woody and Buster Hale (voiced by David Kaufman and Josh Peck respectively) - Amanda and Lynn's twin older brothers who are both off in college and often get annoyed by their younger sisters.
 * Booger (vocal effects by Dee Bradley Baker) - an energetic corgi who are the Hale family's pet as he loves to run around.
 * Horace Hale (voiced by Jonathan Banks) - Amanda and Lynn’s adventurous grandpa who the two sisters sometimes like to explore with.
 * Larry Martins (voiced by Eddie Deezen) - the overdramatic head of the drama club who is currently dating Amanda yet can act rude when things go wrong.
 * Principal Fiona Luggins (voiced by Candi Milo) - the very friendly yet commanding principal of Callcourt High who wants to make sure there is order in the school.
 * Eugene Parker (voiced by ) - an idiotic yet brash but rather tender bully who is currently dating Lynn as despite loving Lynn, can be rude to Amanda at times.

Antagonists

 * Briana Moonshine (voiced by Danica McKellar) - a shallow and egotistical teenager who is obsessed with popularity and people adoring her as she is often the culprit of several capers.
 * Shawn Rivers (voiced by Rob Paulsen) - a rebellious vandal who believes the government is villainous and spying on them as he often vandalizes several things.

Episodes
See List of The Sleuth Gals! (TV series) episodes.