Ask This Old House Season 21 Episodes
Season 21 Episode Guide
Episode 1 - Water Heater Autopsy; CompostingDiagnosing why a retired water heater failed; compost bin for a net zero elementary school.
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Episode 2 - EV Chargers; China Cabinet RepairHeath explains three levels of EV chargers; Mark weighs pros and cons of different brick patterns.
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Episode 3 - Doorbell Retrofit; Driveway EdgingDoorbell with new wiring; bottle traps; replacing a driveway's edging with cobblestones.
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Episode 4 - Woodland Garden; Chimney RepairsPlanting a native woodland garden; patching cracked or chipped porcelain; common chimney problems.
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Episode 5 - Wallpaper Restoration; Gutter RepairsRestoring wallpaper; the basics of GFCI outlets; repairing gutters over a back patio.
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Episode 6 - Sandstone Repair; Awning InstallationRepairing sandstone steps; how to avoid being scammed by a solar company; installing an awning.
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Episode 7 - Paint Bathroom Tile; Hot Water Tank ReplacementReplacing an old 40-gallon hot water tank; assessing woodpecker damage; painting over bathroom tile.
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Episode 8 - Little Free LibraryBuilding, painting and installing a Little Free Library for an elementary school.
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Episode 9 - Install Cabinet Hardware; Breaker TripsInstalling kitchen cabinet hardware; types of wallpaper and tools to remove it.
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Episode 10 - Antique Pocket Door; Shaker End TableInstalling an 1800s antique pocket door; a Shaker-style-inspired end table.
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Episode 11 - Baby Proofing; Septic SystemsBabyproofing a house with cabinet locks and baby gates; houseplants; how a septic system works.
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Episode 12 - Neighbors Helping NeighborsThe team repairs a deck, constructs a patio and installs landscape lighting and new plantings.
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Episode 13 - Fire Pit Plan; Window RestorationRepairing a deck; constructing a patio; installing landscape lighting and new plantings.
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Episode 14 - Dimmer Switch Troubleshooting; Clothes RackRepairing an antique window; interior paint finishes; developing a landscape design for a backyard.
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Episode 15 - Shed Organization; Pea Stone WalkwayOrganizing a shed; importance of yearly service checks for furnaces; installing a pea stone walkway.
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Episode 16 - Wetlands; Foundation PaintingExploring wetlands; indoor air quality testing; repainting an exterior concrete foundation.
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Episode 17 - Fireplace Painting; Bathtub TrayUpgrading a fireplace; different landscape tools; building a bathtub tray out of zebrawood.
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Episode 18 - Oven Ventilation; Wireless EV ChargerReplacing a leaking gas oven; creating a pollinator garden at home.
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Episode 19 - Attic Insulation; Asphalt Parking SpotInsulating an attic; irrigation repairs; adding an asphalt parking spot.
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Episode 20 - Transition Garden; Granite Post SignPlanting a sun and shade garden; the importance of gutter downspouts; engraving a granite post.
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Episode 21 - Full Sun Garden; Radiator Floor PatchCreating a backyard entrance; how to safely clean hardscaping; patching holes in wood floors.
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Episode 22 - Cold Water Bathtub; CornholeInstalling a reserve tank to fill a bathtub with hot water; cleaning up after painting projects.
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Episode 23 - Flagstone Repairs; Tub DiverterRepairing a leaky shower; different wire gauge sizes; repairing loose flagstone steps.
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Episode 24 - Hand-Turned Spindle; ReplicationReplicating spiral-detailed spindles for a Queen Anne Row staircase in a 1900s Queen Anne Rowhouse.
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Episode 25 - Circuit; Table Saw; Fireplace InsertInstalling a basement circuit; table saw safety; installing a wood-burning insert.
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Episode 26 - Sawmill; Bar TopMilling a large piece of an old red oak; headband game; building a bar top.
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