E1 | 2-Prong Outlet, Deck Stair Railing | Ask This Old House,

Richard discusses pipe soldering; Heath explains what two-prong receptacles are, why they're no longer to code, and how to replace them; Nathan and Mauro build, install, and paint deck stair railings.

23m Sep 29, 2021

E2 | Durable Landscape, Cutting Board | Ask This Old House,

Richard explains the options available for water heaters; Jenn creates a landscape that can withstand heavy pedestrian traffic; Tom and Kevin build a cutting board out of walnut, cherry, and maple.

23m Oct 6, 2021

E3 | Hole Patches, Threshold Repair | Ask This Old House,

Jenn discusses creative options for ground cover plants; Tom demonstrates different techniques for patching wall holes; Mark demonstrates how to patch brick holes; Nathan installs a new threshold.

23m Oct 13, 2021

E4 | Wood Floors, DIY Ice Rink | Ask This Old House,

Mauro demonstrates how to remove dried paint from a paintbrush; Tom shares the best techniques for connecting and installing tongue and groove flooring; Jenn and Nathan build a DIY ice rink.

23m Oct 20, 2021

E5 | Smart Doorbells, Recessed Lights | Ask This Old House,

Ross discusses the pros and cons of smart doorbells; Mauro demonstrates techniques for painting wood paneling; Heath shares some of his most-used tools and helps a homeowner install recessed lights.

23m Oct 27, 2021

E6 | Easier Plumbing, Roofing 101 | Ask This Old House,

Mark explains how bricks are made and how many different varieties there are; Richard explains how solderless connections work; Tom assesses and reshingles a shed roof with asphalt shingles.

23m Nov 3, 2021

E7 | Fall Garden Tips, Paint Cabinets | Ask This Old House,

Jenn shares how to put a garden to bed before winter; Mauro demonstrates how to paint a kitchen cabinet; Nathan installs exterior front door trim.

23m Nov 10, 2021

E8 | An AskTOH Barn Raising | Ask This Old House,

The entire team comes together to help Mark rebuild the chicken barn he lost to a fire. They reframe the barn, hook up new electrical wiring, connect a utility sink, and hang an exterior door.

23m Nov 17, 2021

E9 | Drill Drivers, Patio Expansion | Ask This Old House,

In Tool Lab, Nathan explains the options available on drill drivers; Heath describes why and how to use a voltage tester; Mauro holds a paintbrush; Mark helps a homeowner extend her existing patio.

23m Nov 24, 2021

E10 | Camilla's Workshop | Ask This Old House,

Tom works with a young woodworker to set up a kids' workshop in her father's garage. He helps her to build a workbench, set it up with tools and handy storage, and then they build a birdhouse.

23m Dec 15, 2021

E11 | Holiday Projects | Ask This Old House,

Jenn explains how to identify and care for holly plants; Richard explains how dishwashers work and how to troubleshoot them when they don't drain properly; Tom and Kevin turn Christmas ornaments.

23m Dec 22, 2021

E12 | WiFi Extension, Tub Drain | Ask This Old House,

In Tool Lab, Nathan explains the different table saw blade types; Ross extends WiFi service in a house; Richard replaces a faulty tub drain; the team shares their New Years' Resolutions.

23m Dec 29, 2021

E13 | Rot Repair, Heat Pumps | Ask This Old House,

Mark shares the story of how he became a mason; Tom explains why wood rots on houses, how to prevent it, and how to repair it if it occurs; Ross explores heat pump technology.

23m Jan 5, 2022

E14 | Patch Plaster, Sinking Drywell | Ask This Old House,

Heath explains why finish electrical work is his favorite stage of the job; Mauro demonstrates how to repair a crack in plaster; Mark raises a drywell in a driveway that is sinking below grade.

23m Jan 12, 2022

E15 | Celebrating 20 Years | Ask This Old House,

The entire cast reflects on the twentieth anniversary of Ask This Old House. Theyll discuss how the show was made and what they think the legacy of the television program will be moving forward.

23m Jan 19, 2022

E16 | Vinyl Floor, Heating Bill Savings | Ask This Old House,

Jenn shares how she became a landscape designer; Richard and Ross explain cost-effective ways to save money on your heating bill this winter; Nathan helps a homeowner replace a vinyl kitchen floor.

23m Jan 26, 2022

E17 | Water Fountain, Supply Chains | Ask This Old House,

Jenn and Mark show how to make a stone water fountain; In Tool Lab, Nathan breaks down miter saw blades; The team discusses the challenges they've faced dealing with ongoing supply chain issues.

23m Feb 2, 2022

E18 | Porch Column, Smart Thermostats | Ask This Old House,

Richard shares what he loves about the plumbing trade; Ross talks about smart thermostats and their features; Heath explains how to understand switch legs; Tom replaces a rotted porch column base.

23m Feb 9, 2022

E19 | Harvesting Shrubs, Box Joint Jig | Ask This Old House,

Jenn visits a fourth-generation nursery to learn how shrubs are grown; The team shares cost-effective ways to seal existing windows; Tom builds a sturdy serving tray with box joints.

23m Feb 16, 2022

E20 | Concrete Driveway, Spray Paint | Ask This Old House,

Nathan shows how he organizes his work truck; Richard explains different kinds of bidets; Mauro spray paints a handrail; Mark helps a homeowner replace an old, patched driveway.

23m Feb 23, 2022

E21 | Hall Closet, Block Retaining Wall | Ask This Old House,

Jenn Nawada explains composting; Jenn Largesse and her landscape contractor install a concrete block retaining; Tom constructs custom built-in drawers, cubbies and shelves for a front hall closet.

23m Mar 16, 2022

E22 | Fireplace Repairs, Clog Fixes | Ask This Old House,

Heath breaks down the basic voltages of cordless tools; Richard explains how to handle simple clogs in a bathroom sink, kitchen sink and toilet; Mark repairs a fireplace and replaces its cover.

23m Mar 23, 2022

E23 | Window Boxes, Smart Panels | Ask This Old House,

Tom shares how he became a general contractor; Heath and Ross explain what smart electric panels are and how they work; Jenn and Nathan build and fill new window flower boxes.

23m Mar 30, 2022

E24 | Fence Gate, Container Pool | Ask This Old House,

Nathan demonstrates how to fix scratches on wood furniture; Jenn Largesse oversees the installation of a shipping container pool in her backyard; Tom shows how to re-secure a sagging fence gate.

23m Apr 6, 2022

E25 | Wobbly Toilet, LED Lightbulbs | Ask This Old House,

Nathan shares how he became a carpenter and what he loves about his trade; Heath talks all about different LED lightbulbs; Richard fixes a wobbly toilet and repairs a sticky faucet handle.

23m Apr 13, 2022

E26 | Outdoor Vinyl Fence, Beehive | Ask This Old House,

Jenn Nawada suggests houseplants for areas of shade, partial shade and sun; Jenn Largesse shows how to put up an outdoor vinyl fence; Tom Silva builds a beehive out of wood.

23m Apr 20, 2022

E27 | DIY Birdbath, Newel Post Repair | Ask This Old House,

Nathan shows how to mount a flat screen TV on a wall, Mark builds a stone birdbath, Tom repairs a Newel post damaged by a dog.

23m Apr 27, 2022

E28 | Garage Door, Plumbing Fixes | Ask This Old House,

Ross shares why he became an engineer; Tom talks about different types of hammers; Richard shows how to control common plumbing emergencies; Nathan removes and replaces a garage door.

23m May 4, 2022

E29 | Hydrangeas, Deck Railing | Ask This Old House,

Jenn shows off different varieties of hydrangeas; Heath explains types of smoke and carbon monoxide detectors and their functions; Mauro refinishes deck railings and posts.

23m May 11, 2022

E30 | Toilet Seat, Lockset Repair | Ask This Old House,

Richard shows how to replace a toilet seat; Jenn Largesse builds a pergola for her backyard; Nathan repairs a century-old full mortise lockset.

23m May 18, 2022

E31 | Succulents, Water Filter | Ask This Old House,

Jenn talks about different types of succulents; Richard installs a reverse osmosis under-sink water filter; Tom builds a classic milk stool.

23m May 25, 2022

E32 | Electrical Tools, Energy Audit | Ask This Old House,

Heath shows how to use common electrical tools; Ross conducts an in-depth home energy assessment; Mauro shares one of his favorite painting tips.

23m Jun 1, 2022

E33 | Celebrating Fathers as Mentors | Ask This Old House,

Ask This Old House team members talk about their fathers as mentors; Richard and Ross explain airflow in buildings; Tom finishes a baseball bat display case.

23m Jun 8, 2022

E34 | Light Fixture, Finish Nailers | Ask This Old House,

Kevin shares how he became the host; Tom shows a trick for drawing a perfect ellipse; Heath moves a light fixture and Mauro patches the ceiling; Nathan explains the basics of finish nailers.

23m Jun 29, 2022

E35 | Crown Molding; Future of Solar | Ask This Old House,

Heath shares why he became an electrician; Mauro shows a trick for applying caulk in gaps; Tom shows how to install crown molding around corner angles; Ross explains the future of solar at MIT.

23m Jul 6, 2022

E36 | Soil Testing, Adding a Receptacle | Ask This Old House,

Mauro shares why he became a painter and what he loves about his job; Jenn shows how to test soil at home; Heath adds a receptacle to a kitchen island.

23m Jul 13, 2022

E37 | Deck Chairs, Damp Basement | Ask This Old House,

Tom shares a trick to space balusters evenly; Heath shows how to drill holes in studs to run wire; Jenn Largesse builds DIY deck chairs; Richard explains ways to deal with a damp basement.

23m Jul 20, 2022

E38 | Pond Maintenance, Demilune Table | Ask This Old House,

Mark explains finishes for brick and concrete; Jenn shows how to maintain a small backyard pond; Tom builds a three-legged Demilune table.

23m Jul 27, 2022

E39 | Pizza Oven Repair, What Is It? | Ask This Old House,

Nathan explains the anatomy of track saws; Mark repoints an outdoor pizza oven; The Ask This Old House team comes together for a 20th Anniversary "What Is It?"

23m Aug 3, 2022

E24 | Fence Gate, Container Pool | Ask This Old House

Full Episodes

Season 20, 39 episodes