Knock First (2003)

In each episode, an ABC bus carries a designer team and the film crew to serve as headquarters outside the home of a lucky youngster whose room gets a complete make-over, in 24 hours, only all the actual handiwork must be done by the host kid's friends, under the professionals' supervision, according to precise instructions in function of the pre-approved design. Still they always take some time for fun and partying in between the interior jobs.