
Season 21
Season 21

Season 21
Season 21
- Air date:2022-09-29
- User score:0.0
- Number of episodes:26
List of Episodes
Air date: 2022-09-29
Runtime: min
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.
Air date: 2022-10-06
Runtime: min
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.
Air date: 2022-10-13
Runtime: min
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.
Air date: 2022-10-20
Runtime: min
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.
Air date: 2022-10-27
Runtime: min
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.
Air date: 2022-11-03
Runtime: min
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.
Air date: 2022-11-10
Runtime: min
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.
Air date: 2022-11-17
Runtime: min
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.
Air date: 2023-01-05
Runtime: min
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.
Air date: 2023-01-12
Runtime: min
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.
Air date: 2023-01-19
Runtime: min
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.
Air date: 2023-01-26
Runtime: min
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.
Air date: 2023-02-02
Runtime: min
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.
Air date: 2023-02-09
Runtime: min
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.
Air date: 2023-03-23
Runtime: min
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.
Air date: 2023-03-30
Runtime: min
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.
Air date: 2023-04-06
Runtime: min
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.
Air date: 2023-04-13
Runtime: min
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.
Air date: 2023-04-20
Runtime: min
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.
Air date: 2023-04-27
Runtime: min
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.
Air date: 2023-05-04
Runtime: min
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.
Air date: 2023-05-11
Runtime: min
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.
Air date: 2023-05-18
Runtime: min
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.
Air date: 2023-05-25
Runtime: min
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.
Air date: 2023-06-15
Runtime: min
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.
Air date: 2023-06-22
Runtime: min
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.
Top Cast

Richard Trethewey
Himself

Norm Abram
Himself

Roger Cook
Himself

Kevin O'Connor
Host

Tom Silva
Himself

Steve Thomas Rooney
Himself
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