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Season guide

Ask This Old House: Season 16

26 episodes Premiered Oct 7, 2017 Updated Sep 27, 2026
Previously on Ask This Old House

Season 16 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 15.
  • ⚡ 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 16 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 16 Progress Shield

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

Season 16: Filler vs. Essential Canon

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

12%
88%
Mytharc (3): Crucial lore & season climaxes
Core (23): Character development & subplots
Side Quest (0): Standalone / filler
S16·E1 Mytharc

Water Softener, App, Shadow Box

Oct 7, 2017 · 30 min

Installing a new type of water softener; a home organization app; building a shadow box using wood from an old door.

S16·E2 Core

Toolbox; Smoke Detector; Leaking Valve

Oct 14, 2017 · 30 min

A young fan learns how to build a tool box; installing smart smoke and carbon monoxide detectors; diagnosing a leaking safety valve and installing an expansion tank to fix it.

S16·E3 Core

Backsplash; Leak Detection; Rainwater

Oct 21, 2017 · 30 min

How to install a backsplash. Also: a wireless leak detector that prevents floods; and a water feature that collects and reuses rainwater.

S16·E4 Core

Patch Lawn, Swap Toilet, Off-Grid

Oct 28, 2017 · 30 min

Reseeding a dead section of lawn and blending it in with the rest of the yard; the basics of changing a toilet; and an off-grid home tests commercial HVAC equipment.

S16·E5 Core

Radiator Swap, Brick Repointing

Nov 4, 2017 · 30 min

Replacing a small radiator with one that's the correct size; and repointing brick. Also: the importance of sunscreen on the jobsite.

S16·E6 Core

Tree Removal; Stud Finders

Nov 11, 2017 · 30 min

The differences between water filters; and different ways to locate studs in a wall. Also: removing a tree that's leaning toward a house; and installing a smart garage door opener.

S16·E7 Core

Happy Holidays from AskTOH!

Nov 18, 2017 · 30 min

A toy box is built; and the guys exchange gifts. Also: preventing fires from holiday decorations.

S16·E8 Core

Window Gap, Solar Drinking Water

Dec 28, 2017 · 30 min

Roger teaches how to care for orchids; Tom fixes a window that was not hung properly and his now letting air in; Mark demonstrates how to clean brick with acid; in Future House,

S16·E9 Core

Walkway Reset; Patch Chipped Floor

Jan 4, 2018 · 30 min

Roger shows how to repair a damaged walkway, and also how to identify what caused the damage so it can be prevented; Tom patches a chipped wood floor using a Dutchman and hand tool

S16·E10 Core

Silica Dust, Wobbly Toilet

Jan 11, 2018 · 30 min

Mark tests out different tools that collect silica dust more efficiently; Richard shims a wobbly toilet; Kevin heads to the Catskills to build a wooden slice table with Jimmy Dires

S16·E11 Core

Tankless Water Heater, Retaining Wall

Jan 18, 2018 · 30 min

Richard heads to Milwaukee to install an instantaneous water heater; Tom demonstrates some techniques for cutting straight edges with a circular saw; Mark rebuilds a retaining wall

S16·E12 Core

Dutch Door, Landscape Checkers

Jan 25, 2018 · 30 min

Richard shows Kevin the proper way to ventilate a sink; in Nashville, Tom converts a regular door into a Dutch door; Jenn updates a landscape by moving around, dividing, and prunin

S16·E13 Core

Rain Chain, Vanity Installation

Feb 1, 2018 · 30 min

Roger installs a downspout alternative; painter Mauro Henrique explains the differences between various types of paintbrushes; Richard installs a vanity for homeowners who gave up

S16·E14 Core

Lawn Care, Workshop of the Future

Feb 8, 2018 · 30 min

Roger tends to a lawn that was seeded in the summer and is not doing well; Richard goes over low-budget kitchen upgrades; Tom travels to a futuristic workshop in San Francisco to b

S16·E15 Core

Spitting Faucet, Painting 101

Feb 15, 2018 · 30 min

Richard diagnoses and repairs a water system with air in it; in Open House, Tom analyzes a staircase that is not to code; Mauro makes his first house call to teach a homeowner the

S16·E16 Core

Houston After Harvey

Feb 22, 2018 · 30 min

In this special episode of AskTOH, the guys head to Texas in the aftermath of Hurricane Harvey to profile nonprofits working to tear down, clean out, and rebuild homes that were de

S16·E17 Core

Metal Railing; Tile Replacement

Mar 29, 2018 · 30 min

Mark installs a metal railing using anchoring cement; in Open House, Richard weighs the pros and cons of steam heat; Tom demonstrates the correct way to replace a cracked kitchen f

S16·E18 Core

Jimmy DiResta; Trough Planter

Apr 5, 2018 · 30 min

Richard demonstrates a solution for replacing a water main shutoff; Jenn travels to Tennessee to build a planter out of an animal feeding trough; Mark waterproofs brick; Kevin head

S16·E19 Core

Stair Railing; Smart Show House

Apr 12, 2018 · 30 min

Richard discusses the possible causes and solutions for a frozen air conditioner; Tom fixes an end cap on a stair railing that is loose; Ross travels to Napa to tour a house that's

S16·E20 Core

Shower Valve; Chainsaws; Bucket Stool

Apr 19, 2018 · 30 min

In Nashville, Richard repairs and replaces a leaking shower valve; Roger explains safety features built into all chainsaws; Kevin makes a bucket stool with Ben Uyeda, a maker best

S16·E21 Core

Paint Door; Match Mortar; Wood Joints

Apr 26, 2018 · 30 min

Mauro teaches a homeowner how to paint a metal door; Mark explains how to match mortar for repointing jobs; Tom teaches apprentice Austin how to make a variety of different wood jo

S16·E22 Core

Gutterless Gutters, Desert Plan

May 3, 2018 · 30 min

Tom installs an alternative to a gutter when a traditional one does not work; Ross and Richard update Kevin on a Future House technology; Jenn heads to Phoenix to recreate the dese

S16·E23 Core

Paint Stripping, Fridge Hookup

May 10, 2018 · 30 min

Mauro travels to Sacramento to show a homeowner the safe way to strip paint; Tom explains basic chiseling techniques; Richard helps a special homeowner hook up her refrigerator wit

S16·E24 Core

Reface Fireplace, Kitchen Faucet

May 17, 2018 · 30 min

Mark teaches apprentice Krysten how to reface a granite fireplace; Jenn gives some tips on starting an organic garden; Richard helps a homeowner replace her kitchen faucet when she

S16·E25 Mytharc

Drafty Door, Clean Paintbrushes

May 24, 2018 · 30 min

Tom uses multiple techniques to make a drafty door weathertight; Mauro demonstrates the most effective way to clean a paintbrush; Roger and Jenn test out a variety of battery opera

S16·E26 Mytharc

Net Zero Community, Live Edge

May 31, 2018 · 30 min

In Austin, Ross visits a community that plans to have all net zero energy housing; Richard demonstrates the uses of less common wrenches; Tom and Kevin build a console table using

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