Busytown Mysteries (2007)

S2E13 The Mysterious Color-Changing T-Shirt

The group sets out to uncover the mystery behind Sally's yellow T-shirt, which has inexplicably transformed into a vibrant green. As they investigate, they encounter various clues and quirky suspects, leading them on an adventurous quest to solve the puzzle. The gang's teamwork and creativity will be put to the test as they strive to restore the shirt to its original hue and discover the reason behind its unexpected change.