After, Doofenshmirtz thanks Perry for helping him out. On the inevitable 104th day of summer vacation, the season is quickly coming to an end, and it's Candace's last chance to bust her brothers; who build huge playground equipment for the finale of summer. She is quickly foiled, but when she goes to return a DVD to Vanessa, she finds an opportunity to redo the day, which results in rips in the space-time continuum, the shortening of days and the.