The first season of premiered on April 4, 2010, on Disney Channel . The show follows the Duncan family in Denver, Colorado, as they adjust to their fourth child, baby Charlotte "Charlie" Duncan. A central theme is the video diary created by teenage sister Teddy, who records advice for Charlie to watch when she is older, always ending with the catchphrase, "Good luck, Charlie". Core Cast and Characters
Season 1 consists of 26 episodes. Notable early episodes include: Good Luck Charlie - Season 1
( Bridgit Mendler ): The responsible older sister who creates the video diaries. The first season of premiered on April 4,
( Mia Talerico ): The adorable new baby who was 9–11 months old during filming of the first season. Core Cast and Characters Season 1 consists of 26 episodes
( Leigh-Allyn Baker ): The energetic, sometimes competitive mother who works as a nurse.