Ask This Old House Season 20 Episodes

Find out where to watch Season 20 of Ask This Old House tonight
Overview TV Listings Seasons & Episodes Cast

Season 20 Episode Guide

Episode 1 - Two-Prong Outlet; Deck Stair Rail

Pipe soldering; replacing two-prong receptacles; building deck stair railings.
Episode 2 - Durable Landscape; Cutting Board

A landscape that can withstand heavy pedestrian traffic; water heaters; building a cutting board.
Episode 3 - Hole Patches; Threshold Repair

Options for ground cover plants; different techniques for patching wall holes; patching brick holes.
Episode 4 - Wood Floors; DIY Ice Rink

Removing dried paint from a paintbrush; installing tongue and groove flooring; DIY ice rink.
Episode 5 - Smart Doorbells; Recessed Lights

The pros and cons of smart doorbells; painting wood paneling; tools; installing recessed lights.
Episode 6 - Easier Plumbing; Roofing 101

Varieties of bricks; solderless connections; adding asphalt shingles to a roof.
Episode 7 - Fall Garden Tips; Paint Cabinets

Putting a garden to bed before winter; painting a kitchen cabinet; installing exterior door trim.
Episode 8 - An AskTOH Barn Raising

Rebuilding a chicken barn, including reframing and hooking up new electrical wiring.
Episode 9 - Drill Drivers; Patio Expansion

Options available on drill drivers; using a voltage tester; extending an existing patio.
Episode 10 - Camilla's Workshop

Working with a young woodworker to set up a workshop in a garage; building a workbench.
Episode 11 - Holiday Projects

Identifying and caring for holly plants; how dishwashers work; turning Christmas ornaments.
Episode 12 - WiFi Extension; Tub Drain

Table saw blades; extending WiFi service; replacing a tub drain.
Episode 13 - Rot Repair; Heat Pumps

Why wood rots on houses, how to prevent it and how to repair it; heat pump technology.
Episode 14 - Patch Plaster; Sinking Drywell

Light fixtures; repairing a crack in plaster; raising a drywell in a driveway.
Episode 15 - Celebrating 20 Years

The cast reflects on the 20th anniversary of "Ask This Old House," including how the show was made.
Episode 16 - Replace Vinyl Floor; Heating Bill Savings

Cost-effective ways to save money on a heating bill; replacing a vinyl kitchen floor.
Episode 17 - Stone Water Fountain; Supply Chain Shortages

Making a stone water fountain for the garden; breaking down miter saw blades; supply chain issues.
Episode 18 - Porch Base Column Repair; Smart Thermostats

Smart thermostats and their features; switch legs; replacing an old rotted porch column base.
Episode 19 - Shrub Harvesting; Building a Box Joint Jig

How shrubs are harvested; sealing windows for the winter; building a box joint jig.
Episode 20 - Concrete Driveway, Spray Paint

Richard explains different kinds of bidets; Mauro spray paints a handrail; patched driveway.
Episode 21 - Front Hall Closet; Block Retaining Wall

Composting at home; custom built-in drawers, cubbies and shelves for a hall closet; retaining wall.
Episode 22 - Fireplace Repairs; Simple Clog Fixes

Basic voltages of cordless tools; handling simple clogs in a bathroom sink, kitchen sink and toilet.
Episode 23 - Window Flower Boxes; Smart Electrical Panels

Smart electric panels and how they work; replacing a toilet seat; building window flower boxes.
Episode 24 - Sagging Fence Gate; Shipping Container Pool

Different ways to fix scratches on wood furniture; installing a shipping container pool.
Episode 25 - Wobbly Toilet; LED Lightbulbs

Making a stone birdbath; fixing a wobbly toilet; repairing a sticky faucet handle.
Episode 26 - Vinyl Fence; Building a Beehive

Houseplants for areas of shade and sun; drilling holes to run electrical wire; vinyl fence.
Episode 27 - DIY Birdbath, Newel Post Repair

Mounting a television; building a birdbath; repairing a Newel post damaged by a dog.
Episode 28 - Garage Door Replacement; Emergency Plumbing Fixes

Hammers; controlling plumbing emergencies; replacing a garage door.
Episode 29 - All About Hydrangeas; Refinish Deck Railing

Varieties of hydrangeas; smoke and carbon monoxide detectors; refinishing deck railings and posts.
Episode 30 - Replacing a Toilet Seat; Full Mortise Lockset Repair

Replacing a toilet seat; building a pergola; repairing a century-old full mortise lockset.
Episode 31 - All About Succulents; Under-Sink Water Filter

Different types of succulents; installing a reverse osmosis under-sink water filter; milk stool.
Episode 32 - Electrical Tools, Energy Audit

Using common electrical tools; an in-depth home energy assessment; painting.
Episode 33 - Celebrating Fathers as Mentors

Fathers as mentors; airflow in buildings; finishing a baseball bat display case.
Episode 34 - Moving a Ceiling Light Fixture; Tool Lab -- Finish Nailers

Simple trick for drawing a perfect ellipse; moving a light fixture and patching the ceiling.
Episode 35 - Crown Molding; Future of Solar

Applying caulk in gaps; installing crown molding around corner angles; the future of solar.
Episode 36 - Soil Testing; Adding a Receptacle

How to test soil at home; adding a receptacle to a kitchen island.
Episode 37 - Deck Chairs; Damp Basement

Spacing balusters evenly; drilling holes in studs to run wire; building deck chairs.
Episode 38 - Pond Maintenance; Demilune Table

Finishes for brick and concrete; maintaining a small backyard pond; building a Demilune table.
Episode 39 - Pizza Oven Repair; What Is It?

Track saws; repointing an outdoor pizza oven; a 20th anniversary "What Is It?" segment.


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