Hole In The Wall (S02E01)

Rudy and Penny explore Rudy's father's childhood school, where he reminisces about writing a letter to Mildred, praising her poetry skills. However, he never mustered the courage to give it to her and instead stashed it under a shaky floorboard. Entering the school through a portal from ChalkZone, Rudy and Penny aim to avoid getting caught. Their plan goes awry when Vinnie, the construction worker's brother, discovers them and learns about the portal. Excited by the potential, Vinnie decides he wants to transform ChalkZone into an amusement park!