Bathtub Drain; Ceiling Repair Ask This Old House : Season 6 Episode 1

Plumbing and heating expert Richard Trethewey heads to Cleveland, Ohio to help a homeowner replace a bathtub drain trap. Then Richard, along with general contractor Tom Silva, landscape contractor Roger Cook and host Kevin O'Connor ask, "What is it?" Afterward, Tom helps a homeowner repair a cracked drywall ceiling.