Ask This Old House Season 21 Episodes

Episode 1

Water Heater Autopsy, Composting

Thu, Sep 29, 2022

Richard performs an autopsy on a retired water heater by cutting it open to diagnose why it failed; Jenn shares her love of educating kids about the outdoors.

Episode 2

EV Chargers, China Cabinet Repair

Thu, Oct 6, 2022

Heath explains the three levels of EV chargers and which scenarios they work best for; Nathan helps a homeowner repair a cracked built-in china cabinet using MDF panels

Episode 3

Doorbell Retrofit, Driveway Edging

Thu, Oct 13, 2022

Heath helps a homeowner install a new doorbell by locating and replacing the original doorbell wiring; Mark McCullough helps a homeowner take out their old brick driveway edging and replace it with cobblestones.

Episode 4

Woodland Garden, Chimney Repairs

Thu, Oct 20, 2022

Jenn plants a native woodland garden; Mauro shows how to patch cracked or chipped porcelain; Mark explains common chimney problems and then shows how to repair a chimney step by step.

Episode 5

Wallpaper Restore, Gutter Repairs

Thu, Oct 27, 2022

Episode 6

Sandstone Repair; Awning Installation

Thu, Nov 3, 2022

Episode 7

Paint Bathroom Tile; Hot Water Tank Replacement

Fri, Nov 11, 2022

Episode 8

Little Free Library

Thu, Nov 17, 2022

Episode 9

Install Cabinet Hardware; Breaker Trips

Thu, Jan 5, 2023

Mauro discusses different types of wallpaper and what tools to use to remove it; Heath explains how different amped receptacles can cause breaker trips; Nathan upgrades a kitchen by helping a homeowner install kitchen cabinet hardware.

Episode 10

Antique Pocket Door; Shaker End Table

Thu, Jan 12, 2023

Nathan Gilbert and his dad, Bill, help a homeowner install an 1800s pocket door with reclaimed hardware; Ross Trethewey explains the technological advancements of induction cooktops compared to electric and gas stovetops; Kevin O'Connor travels to Atlanta to meet maker Char Miller-King, discuss her projects and how she teaches woodworking, and build a Shaker-style-inspired end table together.

Episode 11

Baby Proofing; Septic Systems

Thu, Jan 19, 2023

The team helps a homeowner babyproof her home. Then, Jenn Nawada discusses maintenance for houseplants. Later, Richard Trethewey explains how septic systems work.

Episode 12

Neighbors Helping Neighbors

Thu, Jan 26, 2023

The Ask This Old House team partners with Rebuilding Together Boston to gather volunteers, repair a homeowner's deck, construct a new patio, and install landscape lighting and plantings.

Episode 13

Fire Pit Plan; Window Restoration

Thu, Feb 2, 2023

Tom works with a window restoration specialist to repair a homeowners antique kitchen window; Jenn and Mark travel to Georgia to help a homeowner develop a landscape design plan and help her install the first phase: a stone fire pit.

Episode 14

Dimmer Switch Troubleshooting; Clothes Rack

Thu, Feb 9, 2023

Heath Eastman helps a homeowner troubleshoot why her dimmer switch is causing her track lights to flicker, and assists in fixing the issue; Tom Silva and Kevin O'Connor build DIY-friendly clothes rack out of 1x4" maple and furniture bolts.

Episode 15

Shed Organization; Pea Stone Walkway

Thu, Mar 23, 2023

Nathan Gilbert heads to Texas to help a mom organize her family shed; Mark McCullough shares why he says, "Don't be afraid," when teaching homeowners how to do masonry projects.

Episode 16

Wetlands; Foundation Painting

Thu, Mar 30, 2023

Jenn and a specialist discuss wetlands; Ask This Old House spotlights general contractor Zack Dettmore; Ross demonstrates how IAQ testing works; Mauro paints a concrete foundation.

Episode 17

Fireplace Painting; Bathtub Tray

Thu, Apr 6, 2023

Mauro helps a homeowner upgrade a fireplace by painting the brick; Jenn and landscape contractor Lee Gilliam discuss landscape tool maintenance; Tom and Kevin build a bathtub tray.

Episode 18

Oven Ventilation; Wireless EV Charger

Thu, Apr 13, 2023

Richard travels to Philadelphia to install a new gas oven and vented microwave; Jenn and Kevin head to the garden center to talk pollinator plants; Ross learns about the future of solar EV chargers.

Episode 19

Attic Insulation; Asphalt Parking Spot

Thu, Apr 20, 2023

Episode 20

Transition Gardens; Granite Post Sign

Thu, Apr 27, 2023

Episode 21

Full Sun Garden; Radiator Floor Patch

Thu, May 4, 2023

Jenn transforms a dried-out side yard into a full sun garden; Mark shares how to perform hardscape cleaning; Tom patches holes in a wood floor leftover from a previously removed radiator.

Episode 22

Cold Water Bathtub; Cornhole

Thu, May 11, 2023

Richard installs a reserve tank to fill a bathtub with hot water; Mauro shares his tips for paint project clean-up; Tom and Kevin build a set of cornhole boards; The cast have a cornhole tournament.

Episode 23

Flagstone Repairs; Tub Diverter

Thu, May 18, 2023

Richard troubleshoots a leaky shower and explains why it was a unique repair; Heath deep dives into wire gauges and the electrical load of each; Mark repairs a homeowner's flagstone entryway.

Episode 24

Hand-Turned Spindle; Replication

Thu, May 25, 2023

Tom helps a homeowner who's missing balusters from their Queen Anne Row staircase and heads to his workshop to replicate the spiral detailed spindles on his lathe. After, Tom installs the spindles.

Episode 25

Circuit; Table Saw; Fireplace Insert

Heath installs a new circuit for a breaker that trips when the dehumidifier is running; Tom demonstrates safety techniques for common table saw injuries; Richard installs a fireplace insert.

Episode 26

Sawmill; Bar Top

Thu, Jun 22, 2023

Nathan and Jenn brainstorm what to do with a fallen red oak tree; Nathan shows how to mill the tree; The team play a special Ask This Old House headband game; Finally, Tom and Nathan build a bar top.