About Charlie Duncan

Season 1

Charlie is the youngest of the Duncans for the first 2 seasons. When the show starts with the episode "Study Date" Charlie is only 9 months old. This episode first aired April 4, 2010. In "Double Whammy", Charlie is already 11 months old. This episode aired on April 25, 2010, less than a month later. Charlie turns 1 in the episode "Charlie is 1" which first aired May 23, 2010. In "Sleepless in Denver" Charlie is already 1-1/2. This episode aired in October which implies that her birthday's in April although that could just be an estimate. Charlie talks for the first time in this episode.

Season 2

In the season 2 premere "Charlie is 2" Charlie turns 2. This episode aired in February, which is much earlier than any of the indicated times for Charlie's birthday in season. While Charlie's birthday changes all the time, her age stays pretty consistant. In this season Charlie starts to grow into a toddler. She starts preschool and starts learning bad words from her mother.

Season 3

Charlie's mom is having another baby. This baby is born on Charlie's birthday in the episode Special Delivery. At first, Charlie doesn't like her new baby brother Toby, but she gets used to him.