Ask This Old House - Season 21

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Ask This Old House: Season 21 - 26 Episode s

21x1 - Water Heater Autopsy, Composting
September 29, 2022
The Ask This Old House team talks about why they enjoy working together; Richard cuts open a failed water heater, and Jenn shares her love of educating kids about the outdoors. Then, she and Nathan build a compost bin.
21x2 - EV Chargers, China Cabinet Repair
October 6, 2022
Heath explains the three levels of EV chargers and which scenarios they work best for; Mark breaks down different brick patterns, where they originate from, and their pros and cons; Nathan helps a homeowner repair a cracked built-in china cabinet using MDF panels; Mauro then repaints the china cabinet and shows how to paint on MDF.
21x3 - Doorbell Retrofit, Driveway Edging
October 13, 2022
In this episode, Heath installs a doorbell with new wiring, Richard explains bottle traps, and Mark replaces a homeowner’s brick driveway edging with cobblestones.
21x4 - Woodland Garden, Chimney Repairs
October 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.
21x5 - Wallpaper Restore, Gutter Repairs
October 27, 2022
Kevin O'Connor visits the Franklin Pierce Homestead in New Hampshire to learn about the restoration of a historic, French wallpaper from the 19th century; Heath Eastman explains the basics of GFCI receptacles; Tom Silva helps a homeowner repair and repitch the gutters above their back patio.
21x6 - Sandstone Repair, Awning Installation
November 3, 2022
Mark travels to Dallas, Texas to repair sandstone steps; Ross explains how to pick a solar plan how to avoid being scammed by a solar company; Nathan helps a homeowner install an awning.
21x7 - Paint Bathroom Tile, Hot Water Tank Replacement
November 10, 2022
Richard helps remove an old 40-gallon hot water tank; Heath shares safety tips for holiday light decoration; Tom explains how to identify, repair, and prevent woodpecker damage; Mauro shows how to paint over bathroom tile using epoxy acrylic paint.
21x8 - Little Free Library
November 17, 2022
Tom and Kevin team up to build a Little Free Library for an elementary school; Tom and his daughter, Kate, paint and decorate it to look like a school bus. Tom and Kevin meet up with students to help them install it and add their favorite books.
21x9 - Install Cabinet Hardware, Breaker Trips
January 5, 2023
The team shares the professions they might have pursued; Mauro discusses types of wallpaper and tools to remove it; Heath explains how different amped receptacles can cause breaker trips; Nathan helps install kitchen cabinet hardware.
21x10 - Antique Pocket Door, Shaker End Table
January 12, 2023
Nathan and his dad, Bill, help install an 1800s pocket door with reclaimed hardware; Ross explains the technological advancements of induction cooktops; Kevin meets maker Char Miller-King and build a Shaker-style-inspired end table together.
21x11 - Baby Proofing, Septic Systems
January 19, 2023
Nathan, Heath, and Mauro help a homeowner baby proof her house by replacing old receptacles and installing cabinet locks, and baby gates; Jenn breaks down the basics of caring for houseplants; Richard explains how septic systems works and maintain them.
21x12 - Neighbors Helping Neighbors
January 26, 2023
In a special episode, the team partner with Rebuilding Together Boston. With the help of the Ask This Old House extended family and volunteers, the crew repair a deck, construct a patio, and install landscape lighting and new plantings.
21x13 - Fire Pit Plan, Window Restoration
February 2, 2023
Tom repairs a homeowner's antique window; Mauro talks through interior paint finishes; Jenn and Mark travel to Georgia to help a homeowner develop a landscape design plan for her small backyard. Then, they help her install a stone fire pit.
21x14 - Dimmer Switch Troubleshooting, Clothes Rack
February 9, 2023
Jenn shares why she loves bringing her dog to work; Heath helps a homeowner troubleshoot a strobing dimmer switch; Ross explains the benefits of smart bath ventilation; Tom builds a DIY clothes rack.
21x15 - Shed Organization, Pea Stone Walkway
March 23, 2023
Nathan heads to Texas to help a mom of six organize her family shed; Richard emphasizes the importance of a yearly service call for furnaces; Mark installs a pea stone walkway to match an existing walkway in front of the homeowner's house.
21x16 - Wetlands; Foundation Painting
March 30, 2023
Jenn works with a wetlands specialist; Ask This Old House profiles general contractor Zach Dettmore in a new segment; Ross discusses Indoor Air Quality testing; Mauro teaches a homeowner how to repaint an exterior, concrete foundation.
21x17 - Fireplace Painting; Bathtub Tray
April 6, 2023
Mauro helps a homeowner upgrade a fireplace; Jenn introduces landscape contractor Lee Gilliam, and together they discuss different landscape tools and how to maintain them for Spring; Tom and Kevin Build a bathtub tray out of zebrawood.
21x18 - Oven Ventilation; Wireless EV Charger
April 13, 2023
Richard helps a homeowner replace a leaking gas oven; Jenn and Kevin discuss how to create a pollinator garden at home; in Future House, Ross learns how wireless electricity technology can be applied to electric vehicle chargers in future homes.
21x19 - Attic Insulation, Asphalt Parking Spot
April 20, 2023
Ross helps a homeowner dealing with ice dams decide whether to insulate from his attic roof rafters or the attic floor; Richard shares tips on irrigation repairs; Mark expands a driveway by adding an asphalt parking spot.
21x20 - Transition Garden, Granite Post Sign
April 27, 2023
Jenn helps a homeowner transform a small sun and shade backyard with a new garden; Tom explains the importance of gutter downspouts; Mark adds street visibility to a farm by remounting an original farm sign and engraving an 1800s granite post.
21x21 - Full Sun Garden, Radiator Floor Patch
May 4, 2023
Jenn creates a thoughtful backyard entrance; Mark shares how to safely clean hardscaping on different types of common hardscape materials; Tom shows how to patch holes in wood floors caused by previously removed radiators.
21x22 - Cold Water Bathtub, Cornhole
May 11, 2023
Richard helps a homeowner dealing with cold bath water by installing a reserve tank to fill the bathtub fully with hot water; Mauro shares his favorite tips for cleaning up after painting projects; Tom and Kevin work together to build a set of cornhole boards and after, the Ask This Old House cast come together for a head-to-head cornhole tournament.
21x23 - Flagstone Repairs, Tub Diverter
May 18, 2023
Richard troubleshoots why a homeowner's shower leaks when the tub is running and makes the necessary repairs, then in studio, Richard explains why it was a unique repair; Heath deep dives into different wire gauge sizes and the electrical load capabilities of each size; Mark helps a homeowner repair some loose flagstone steps in his entryway and in his basement.
21x24 - Hand-Turned Spindle, Replication
May 25, 2023
Tom Silva is rarely stumped. But when a homeowner reached out about a missing hand-turned spindle in the staircase of her 1900s Queen Anne Rowhouse, Tom attempts to replicate the spiral-detailed spindles on his lathe. There, he turns straight grain fir balusters and troubleshoots a string technique to replicate the spiral detailing.
21x25 - Circuit, Table Saw, Fireplace Insert
June 15, 2023
Heath helps a homeowner whose kitchen breaker trips when the basement humidifier is running by installing a new basement circuit; Tom showcases the importance of table saw safety by demonstrating safety techniques for the most common sources of table saw injuries; Richard helps a homeowner supplement their homes heating by installing a wood burning insert into their drafty fireplace.
21x26 - Sawmill, Bar Top
June 22, 2023
Nathan mills a large piece of an old red oak tree. The team come together to see if they can guess each other's cards in a special Ask This Old House headband game; Tom and Nathan team up to build a bar top out of the milled piece of red oak.

21x1 - Water Heater Autopsy, Composting

21x2 - EV Chargers, China Cabinet Repair

21x3 - Doorbell Retrofit, Driveway Edging

21x4 - Woodland Garden, Chimney Repairs

21x5 - Wallpaper Restore, Gutter Repairs

21x6 - Sandstone Repair, Awning Installation

21x7 - Paint Bathroom Tile, Hot Water Tank Replacement

21x8 - Little Free Library

21x9 - Install Cabinet Hardware, Breaker Trips

21x10 - Antique Pocket Door, Shaker End Table

21x11 - Baby Proofing, Septic Systems

21x12 - Neighbors Helping Neighbors

21x13 - Fire Pit Plan, Window Restoration

21x14 - Dimmer Switch Troubleshooting, Clothes Rack

21x15 - Shed Organization, Pea Stone Walkway

21x16 - Wetlands; Foundation Painting

21x17 - Fireplace Painting; Bathtub Tray

21x18 - Oven Ventilation; Wireless EV Charger

21x19 - Attic Insulation, Asphalt Parking Spot

21x20 - Transition Garden, Granite Post Sign

21x21 - Full Sun Garden, Radiator Floor Patch

21x22 - Cold Water Bathtub, Cornhole

21x23 - Flagstone Repairs, Tub Diverter

21x24 - Hand-Turned Spindle, Replication

21x25 - Circuit, Table Saw, Fireplace Insert

21x26 - Sawmill, Bar Top

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