"Movin' On Up" is the forty-eighth episode of Lizzie McGuire.
Gordo skips a grade and gets promoted to high school. After initial euphoria, Lizzie and Miranda start to miss Gordo. Gordo too feels lonely at the high school but pretends to like it in front of Lizzie and Miranda. In the end, he returns to middle school. Meanwhile, Matt and Lanny plan to try out for the cheerleading squad at school but Sam feels that it's not a "manly" thing to do. Sam tries to lean away Matt from cheerleading by doing some "manly" things with him, but in the end he changes his mind and encourages Matt to try for cheerleading.