Host Kevin O'Connor works with an electrician in Atlanta to install a front porch light Roger shows Kevin a tip about splitting firewood Richard helps a homeowner who has hot water coming from his cold-water faucet.
Roger helps a homeowner reseed a dead section of lawn and blend it in with the rest of the yard Richard shows the basics of changing a toilet Ross visits an off-the-grid home in South Carolina that's testing commercial HVAC equipment.
A homeowner has never tiled before, so Tom teaches her how by using a simple technique Richard demonstrates a wireless leak detector that prevents floods Jenn installs a water feature that collects and reuses rainwater.
Tom teaches a young fan how to build a tool box in Charlotte, Scott installs smart smoke and carbon monoxide detectors Richard diagnoses a leaking temperature and pressure relief valve and installs an expansion tank to fix it.
In Arizona, Richard visits the Grand Canyon, then he helps a homeowner with hard water install a new type of water softener Ross demonstrates a home organization app Tom builds a shadow box using wood from an old, salvaged door.
The new propane tank gets buried in the backyard Norm advises an apprentice in composite decking Jeff and Tommy add final touches to the coffered ceiling a shelving system goes into the new office Mark applies a stone veneer to the new chimney.
Tommy and Jeff begin work on a coffered ceiling in the living room local Westerly granite is cut to size for backyard steps the complex septic system goes in Kevin learns how the interior doors are built Jeff installs one of those doors.
Roger Cook helps a pair of homeowners build a retaining wall using pressure-treated timbers Richard has an easy fix for a kitchen faucet that is making a loud, shuddering sound.
Fixing the plaster damage sprinkler system shopping for appliances for all three levels of the house.
Working on the front door mineral wool insulation kitchen cabinets and counters working on three separate HVAC systems.
Creating an urban patio rewiring part of the house with intact plaster ceiling hanging a new fire rated door fitting a new bathtub installing a replacement window.
Tommy installs the shiplap using reclaimed granite, Kevin helps Roger's crew lay a second set of steps for the walkway Roberto finds and cuts a marble slab for the kitchen island Mark builds the cast stone mantel surrounding for the new fireplace.
Removing asbestos a plumber works on dormant pipes visiting a community garden architectural historian Arthur Krim talks about three-deckers pulling off the melted vinyl siding.
"This Old House" returns to Dorchester, Mass., to follow the renovation of a triple decker that was burned due to illegal fireworks.
The historic Seaside Victorian Cottage is restored and expanded a new addition matches the existing architectural details new hardscape and landscape.
Hanging the pantry door finishing up the tiling and backsplash creating a custom surround for the gas fireplace.
Transplanting trees and sod installing a custom deck hatch assembling a smart lock system mounting a unique range hood.
Elaborate interior window trim and custom storm windows an updated electric meter and panels working on the limestone hardscape in the backyard assembling a Victorian style shed.
Install a new energy-efficient storm door Richard Trethewey shows host Kevin O'Connor how to cut and solder copper plumbing pipes and fittings landscaping contractor Roger Cook helps a homeowner reduce the size of an overgrown privet hedge.
Landscaping contractor Roger Cook heads to Fargo, North Dakota, where he and a local crew help a homeowner build a new circular patio and fire pit Tom and Kevin head outside to repair a set of brick stairs.