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Season guide

Ask This Old House: Season 19

30 episodes Premiered Oct 1, 2020 Updated Sep 27, 2026
Previously on Ask This Old House

Season 19 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • ⚡ Directly follows the overarching narrative developments of Ask This Old House Season 18.
  • ⚡ Faction dynamics and core character alliances shift under escalating external stakes.
  • ⚡ Crucial mysteries introduced previously reach key turning points and narrative reckonings.
  • ⚡ Sets up serialized story arcs that build directly toward the climactic season finale.
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Season 19 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 19 Progress Shield

Future titles & synopses blurred. Tap "Reveal" on any card to peek.
Binge Efficiency Engine

Season 19: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

10%
90%
Mytharc (3): Crucial lore & season climaxes
Core (27): Character development & subplots
Side Quest (0): Standalone / filler
S19·E1 Mytharc

All Hands on Deck

Oct 1, 2020 · 30 min

In this special episode of Ask This Old House, Tom walks two homeowners through the entire process for building a two-level deck, starting with pulling permits and getting a land s

S19·E2 Core

Preventing Plumbing Disasters

Oct 8, 2020 · 30 min

Richard explains how, where, and why plumbing systems fail; Richard gives a deep dive on when and how plumbing pipes and connections can be repaired or replaced; Ross explains and

S19·E3 Core

All About Walkways

Oct 15, 2020 · 30 min

In this special episode of Ask This Old House, Roger, Jenn and Mark explain best practices for installing or repairing a walkway; Mark helps a homeowner install a brand new walkway

S19·E4 Core

Landscapes Across America

Oct 22, 2020 · 30 min

In this special episode of Ask This Old House, Jenn explains how various climates across the United States impact the design, care, and maintenance of different landscapes, which i

S19·E5 Core

All About Windows

Oct 29, 2020 · 30 min

Tom and Kevin explain everything you need to know about using, installing, maintaining and repairing a window.

S19·E6 Core

Installing Water Features

Nov 5, 2020 · 30 min

Jenn and Roger install a variety of different water features to accentuate landscapes; Roger installs an alternative to a downspout; Jenn installs a waterfall feature in a backyard

S19·E7 Core

All About Fireplaces

Nov 12, 2020 · 30 min

In this special episode of Ask This Old House, Tom and Mark tell you everything you need to know about fireplaces; Tom builds a custom mantel for a homeowner; Richard discusses fir

S19·E8 Core

String Lights, Christmas Trees, & Happy Holidays!

Nov 19, 2020 · 30 min

Jenn discusses Christmas trees; Richard explains what can and can’t go down a garbage disposal after holiday dinners; Heath helps a homeowner safely install a variety of Christmas

S19·E9 Core

Reclaim Beam Mantel, Geothermal

Jan 2, 2021 · 30 min

Nathan helps a homeowner turn a reclaimed beam into a fireplace mantel; Richard demonstrates how to change a bathroom faucet; Ross explores innovations to geothermal installations.

S19·E10 Core

Landscape Lights, Brick Walkway

Jan 7, 2021 · 30 min

Heath installs landscape lights in a garden; Richard explains how siphons work and how they are used to make a toilet work; Tom organizes tools with pegboard; Mark helps a homeowne

S19·E11 Core

Garden Upgrade, Adirondack Chair

Jan 14, 2021 · 30 min

Jenn demonstrates how to clean up a garden; Ross explains how air filters can catch unwanted air impurities and demonstrates how to build a DIY one; Tom and Kevin build an Adironda

S19·E12 Core

Radiator Paint, Load Bearing Wall

Jan 21, 2021 · 30 min

Richard replaces a weird shower valve with a conventional pressure balanced one; Mauro repaints a radiator cover with lead paint on it; Tom explains how to identify and remove load

S19·E13 Core

Mini Split, Butcher Block

Jan 28, 2021 · 30 min

Richard explains how a mini split unit is installed; Jenn explains how to identify Japanese maple trees and how to incorporate them in a landscape design; Nathan installs a butcher

S19·E14 Core

Precast Concrete, New Lamppost

Feb 4, 2021 · 30 min

Mark learns how precast concrete steps are made and then replaces a homeowner's steps; Mauro explains how to refinish an old table; Heath helps a homeowner replace his front lamppo

S19·E15 Core

Automated Landscape, Modern Bench

Feb 11, 2021 · 30 min

Ross explores ways that landscaping could be done automatically; Mark goes over different walkway and driveway deicers and how they might impact masonry products; Tom and Kevin bui

S19·E16 Core

Garbage Disposal, Concrete Wall

Feb 18, 2021 · 30 min

Tom travels to Nashville to turn an original, exterior door into a Dutch door; Richard explains how to install a garbage disposal; Mark and Jenn reface a concrete wall with thin st

S19·E17 Core

Power Washing, Deck Lights

Apr 1, 2021 · 30 min

Tom explains how different sanders work and how to sand well; Mauro shows how to use a power washer to clean siding; the team share more home inspection nightmares; Heath installs

S19·E18 Core

Move Baseboard, Cooler Bench

Apr 8, 2021 · 30 min

Richard moves baseboard heat from one side of a room to another; Jenn explains the basics of selecting different species of arborvitae; Tom and Kevin build an outdoor bench that do

S19·E19 Core

Flickering Lights, Brick Stairs

Apr 15, 2021 · 30 min

Jenn travels to Orlando to upgrade a homeowner's irrigation system with a smart one; Heath explains a few different ways to troubleshoot flickering lights; Mark repoints a set of b

S19·E20 Core

Spring Projects: Paint, Prune, Spigots

Apr 22, 2021 · 30 min

Richard explains a variety of failure points in a hose spigot; Mauro demonstrates the how to paint vinyl siding; Jenn explains how and why to maintain pruners; Nathan builds a cust

S19·E21 Core

Echinaceas, Kitchen Punch List

Apr 29, 2021 · 30 min

Jenn explains how to care for echinaceas; Mark explains how to cut stone with a saw and chisel; Richard replaces a kitchen sink and faucet; Tom helps a homeowner wrap up a few kitc

S19·E22 Core

Inspection, Door Restoration

May 6, 2021 · 30 min

Heath performs an electrical inspection; the team share more Home Inspection Nightmares; Tom helps two homeowners meticulously restore their antique front door using a variety of t

S19·E23 Core

Dishwasher Retrofit, Rolling Pin

May 13, 2021 · 30 min

Richard and Nathan retrofit a new dishwasher into an old kitchen; Mauro paints wood paneling; Tom and Kevin turn a French rolling pin.

S19·E24 Core

Flood Prevention, Deck Hangers

May 20, 2021 · 30 min

Richard installs a shutoff valve for washing machine supply hoses; Ross and Heath discuss the progression of EV chargers; Jenn discusses ornamental grasses; Nathan helps a homeowne

S19·E25 Core

Colors, Fireplace Upgrade

May 27, 2021 · 30 min

Kevin and Tom travel to Montana to set up an accessible home gym for a Navy SEAL veteran; Mauro shares how to select the right paint color; Mark updates a fireplace with a stacked

S19·E26 Core

Working from Home

Jun 3, 2021 · 30 min

Nathan builds a display case to store his grandfather's U.S. flag; Heath replaces a circuit breaker; the team shares the ways their trades were affected by the COVID-19 pandemic.

S19·E27 Core

Summer Special

Jul 8, 2021 · 30 min

It's summertime and the team are here to help with some fun outdoor projects! Tom travels to Colorado to help a couple build a swing set for their young son; Jenn travels to Raleig

S19·E28 Core

Rethinking a Garden

Sep 2, 2021 · 30 min

Not all landscape projects require starting from scratch. Many times, working with plants already there can make a huge impact. In this special episode, Jenn Nawada uses an histori

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