Why is there a new young Shawn on psych?

In the series "Psych: The Movie 2," a young Shawn is introduced as part of a storyline that involves time travel or flashbacks, allowing the audience to explore Shawn's past experiences and how they shaped his character. This creative choice also serves to provide context for Shawn's relationships and quirks, adding depth to the narrative while maintaining the show's signature humor. Additionally, it appeals to fans by offering a nostalgic look at Shawn's formative years.