Celebrating 20 Years

January 20, 2022

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Ask This Old House - S20 - E15

The entire cast reflects on the 20th anniversary of ASK THIS OLD HOUSE. They'll discuss how the show was made and what they think the legacy of the television program will be moving forward.

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Ask This Old House: Season 20 - 39 Episode s

20x1 - Two-Prong Outlet; Deck Stair Rail
September 30, 2021
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.
20x2 - Durable Landscape; Cutting Board
October 7, 2021
Jenn creates a landscape that can withstand heavy pedestrian traffic; Richard explains the options available for water heaters; Tom and Kevin build a cutting board out of walnut, cherry, and maple.
20x3 - Hole Patches; Threshold Repair
October 14, 2021
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.
20x4 - Wood Floors, DIY Ice Rink
October 21, 2021
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.
20x5 - Smart Doorbells, Recessed Lights
October 28, 2021
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.
20x6 - Easier Plumbing, Roofing 101
November 4, 2021
Mark explains how bricks are made and how many different varieties there are; Richard explains how solderless connections work; Tom assess and reshingles a shed roof with asphalt shingles.
20x7 - Fall Garden Tips, Paint Cabinets
November 11, 2021
Jenn shares her list of must have gardening tools and how to put a garden to bed before winter; Mauro demonstrates how to paint a kitchen cabinet; Nathan installs exterior front door trim.
20x8 - An AskTOH Barn Raising
November 18, 2021
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.
20x9 - Drill Drivers, Patios Expansion
November 25, 2021
In Tool Lab, tool expert Chris Ermides demonstrates how tables saw blades work; Heath explains why and how to use a voltage tester; Mark helps a homeowner extend her existing patio.
20x10 - Camilla's Workshop
December 16, 2021
General contractor and expert woodworker Tom Silva meets past guest and young woodworker Camilla in her dad's shop where they catch up since they last met. After checking out some of Camilla's work, the two discuss her need for a workspace of her own. With a worktable in mind, Tom invites her back to the workshop to help with the special project, a birdhouse.
20x11 - Holiday Projects
December 23, 2021
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.
20x12 - Wifi Extension, Tub Drain
December 30, 2021
In Tool Lab, Nathan explains what different table saw blade types are used for; Ross extends WiFi service in a house; Richard replaces a faulty tub drain; the team shares their New Years' Resolutions.
20x13 - Rot Repair, Heat Pumps
January 6, 2022
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.
20x14 - Patch Plaster, Sinking Drywell
January 13, 2022
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.
20x15 - Celebrating 20 Years
January 20, 2022
The entire cast reflects on the 20th anniversary of ASK THIS OLD HOUSE. They'll discuss how the show was made and what they think the legacy of the television program will be moving forward.
20x16 - Vinyl Floor, Heating Bill Savings
January 27, 2022
Jenn shares the story of 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.
20x17 - Water Fountain, Supply Chains
February 3, 2022
Jenn and Mark show how to make a stone water fountain for your garden; In Tool Lab, Nathan breaks down Miter Saw blades; The team comes together to discuss the challenges they've faced dealing with ongoing supply chain issues.
20x18 - Porch Base Column Repair, Smart Thermostats
February 10, 2022
Richard shares how he became a plumber and what he loves about his trade; Ross talks about smart thermostats and their features; Heath explains how to understand switch legs; Tom replaces an old, rotted porch column base.
20x19 - Shrub Harvesting, Building A Box Joint Jig
February 17, 2022
Jenn visits a nursery to learn how shrubs are planted and harvested; Ross and Nathan show cost-effective ways to air-seal your windows this winter; Tom demonstrates how to build a serving tray using a box joint jig.
20x20 - Concrete Driveway, Spray Paint
February 24, 2022
Nathan gives a tour of his highly organized truck; Richard shows different kinds of bidets and their functions; Mauro explains how to use spray paint for small home projects; Mark replaces an old, patched driveway with a new concrete one.
20x21 - Front Hall Closet, Block Retaining Wall
March 17, 2022
Jenn Nawada explains how you can compost at home; Jenn Largesse and her landscape contractor install a concrete block retaining wall in Jenn's backyard; Tom constructs custom built-in drawers, cubbies and shelves for a front hall closet.
20x22 - Fireplace Repairs, Simple Clog Fixes
March 24, 2022
Heath breaks down the basic voltages of cordless tools; Richard gives an overview on how to handle simple clogs in a bathroom sink, kitchen sink and toilet; Mark repairs a fireplace and replaces its cover.
20x23 - Window Flower Boxes, Smart Electrical Panels
March 31, 2022
Tom shares how he became a general contractor and what he loves about his trade; Heath and Ross explain what smart electric panels are and how they work; Jenn and Nathan build and fill new window flower boxes.
20x24 - Sagging Fence Gate, Shipping Container Pool
April 7, 2022
Nathan demonstrates different ways to fix scratches on wood furniture; Jenn Largesse oversees the installation of a shipping container pool in her backyard; Tom shows how to fix and resecure a sagging fence gate.
20x25 - Wobbly Toilet, Led Lightbulbs
April 14, 2022
Nathan shares how he became a carpenter and what he loves about his trade; Heath talks all about different LED light bulbs; Richard fixes a wobbly toilet and repairs a sticky faucet handle.
20x26 - Vinyl Fence, Building A Beehive
April 21, 2022
Jenn Nawada suggests houseplants for areas of shade, partial shade and sun. Heath explains techniques for drilling holes to run electrical wire. Jenn Largesse shows how to put up an outdoor vinyl fence. Tom builds a beehive out of wood.
20x27 - DIY Birdbath, Dog Chew Wood Repair
April 28, 2022
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.
20x28 - Garage Door Replacement, Emergency Plumbing Fixes
May 5, 2022
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.
20x29 - All About Hydrangeas, Refinish Deck Railing
May 12, 2022
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.
20x30 - Replacing a Toilet Seat, Full Mortise Lockset Repair
May 19, 2022
Richard shows how to replace a toilet seat; Jenn Largesse builds a pergola for her backyard; Nathan repairs a century-old full mortise lockset.
20x31 - All About Succulents, Under-Sink Water Filter
May 26, 2022
Jenn talks about different types of succulents; Richard installs a reverse osmosis under-sink water filter; Tom builds a classic milk stool.
20x32 - Basic Electrical Tools; Home Energy Assessment
June 2, 2022
Using common electrical tools; an in-depth home energy assessment; painting.
20x33 - Happy Father's Day
June 23, 2022
Team members talk about their fathers as mentors; airflow in buildings; finishing a baseball bat display case.
20x34 - Moving a Ceiling Light Fixture; Tool Lab -- Finish Nailers
June 30, 2022
Kevin O'Connor explains how he became host of "This Old House"; a simple trick for drawing a perfect ellipse; moving a light fixture and patching the ceiling; the basics of finish nailers.
20x35 - Crown Molding for Corner Angles; The Future of Solar
July 7, 2022
Heath shares why he became an electrician and what he loves about his trade; 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.
20x36 - Track Saws, Adding A Receptacle
July 14, 2022
Mauro shares why he became a painter and what he loves about his job; Jenn shows how to test soil at home; Nathan explains how to use track saws; Heath adds a receptacle to a kitchen island.
20x37 - Deck Chairs, Damp Basement
July 21, 2022
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.
20x38 - Pond Maintenance, Demilune Table
July 28, 2022
Mark explains finishes for brick and concrete; Jenn shows how to maintain a small backyard pond; Tom builds a three-legged Demilune table.
20x39 - Pizza Oven Repair, What Is It?
August 4, 2022
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?"

20x1 - Two-Prong Outlet; Deck Stair Rail

20x2 - Durable Landscape; Cutting Board

20x3 - Hole Patches; Threshold Repair

20x4 - Wood Floors, DIY Ice Rink

20x5 - Smart Doorbells, Recessed Lights

20x6 - Easier Plumbing, Roofing 101

20x7 - Fall Garden Tips, Paint Cabinets

20x8 - An AskTOH Barn Raising

20x9 - Drill Drivers, Patios Expansion

20x10 - Camilla's Workshop

20x11 - Holiday Projects

20x12 - Wifi Extension, Tub Drain

20x13 - Rot Repair, Heat Pumps

20x14 - Patch Plaster, Sinking Drywell

20x15 - Celebrating 20 Years

20x16 - Vinyl Floor, Heating Bill Savings

20x17 - Water Fountain, Supply Chains

20x18 - Porch Base Column Repair, Smart Thermostats

20x19 - Shrub Harvesting, Building A Box Joint Jig

20x20 - Concrete Driveway, Spray Paint

20x21 - Front Hall Closet, Block Retaining Wall

20x22 - Fireplace Repairs, Simple Clog Fixes

20x23 - Window Flower Boxes, Smart Electrical Panels

20x24 - Sagging Fence Gate, Shipping Container Pool

20x25 - Wobbly Toilet, Led Lightbulbs

20x26 - Vinyl Fence, Building A Beehive

20x27 - DIY Birdbath, Dog Chew Wood Repair

20x28 - Garage Door Replacement, Emergency Plumbing Fixes

20x29 - All About Hydrangeas, Refinish Deck Railing

20x30 - Replacing a Toilet Seat, Full Mortise Lockset Repair

20x31 - All About Succulents, Under-Sink Water Filter

20x32 - Basic Electrical Tools; Home Energy Assessment

20x33 - Happy Father's Day

20x34 - Moving a Ceiling Light Fixture; Tool Lab -- Finish Nailers

20x35 - Crown Molding for Corner Angles; The Future of Solar

20x36 - Track Saws, Adding A Receptacle

20x37 - Deck Chairs, Damp Basement

20x38 - Pond Maintenance, Demilune Table

20x39 - Pizza Oven Repair, What Is It?

S1: Season 1

S2: Season 2

S3: Season 3

S4: Season 4

S5: Season 5

S6: Season 6

S7: Season 7

S8: Season 8

S9: Season 9

S10: Season 10

S11: Season 11

S12: Season 12

S13: Season 13

S14: Season 14

S15: Season 15

S16: Season 16

S17: Season 17

S18: Season 18

S19: Season 19

S20: Season 20

S21: Season 21

S22: Season 22

S23: Season 23