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S20 E15, 20th Anniversary
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S20 E15: Celebrating 20 Years

The entire cast reflects on the 20th anniversary of Ask This Old House. They discuss how the show was created and what they think the legacy of the television program will be moving forward.

Fall 2021, Build It Cooler Bench, Tom Silva and Kevin O’Connor toast the finished cooler bench
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Celebrate the 20th Anniversary of Ask This Old House

Don’t miss a special 20th-anniversary episode of Ask This Old House, premiering on PBS and The Roku Channel this week.

S20 E14, Mauro Henrique teaches Kevin O’Connor about plaster
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S20 E14: Patch Plaster, Sinking Drywell

In this episode, Heath explains why finish electrical work is his favorite stage of the job; Mauro demonstrates how to repair a crack in plaster; Mark raises a drywell in a driveway that is sinking below grade.

S20 E13, Tom Silva explains how to identify wood rot to Kevin O’Connor
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S20 E13: Rot Repair, Heat Pumps

Watch as Mark shares the story of how he became a mason; Tom explains why wood rots on houses, how to prevent it, and how to repair it if it occurs; Ross explores heat pump technology.

S20 E12, Richard Trethewey repairs a tub drain
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S20 E12: WiFi Extension, Tub Drain

In Tool Lab, Nathan explains the different table saw blade types; Ross extends WiFi service in a house; Richard replaces a faulty tub drain; the team shares their New Years’ Resolutions.

S20 E11, Tom Silva builds Christmas ornaments
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S20 E11: Holiday Projects

In this episode, Jenn explains how to identify and care for holly plants; Richard explains how dishwashers work and how to troubleshoot them when they don’t drain properly; Tom and Kevin turn Christmas ornaments.

S20 E10, Tom Silva helps set up a kids’ workshop
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S20 E10: Camilla’s Workshop

Watch as Tom Silva works with a young woodworker to set up a kids’ workshop in her father’s garage. He helps her build a workbench, set it up with tools and handy storage, and then build a birdhouse.

S20 E9, Nathan Gilbert discusses drill/drivers
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S20 E9: Drill Drivers, Patio Expansion

In this episode, Nathan explains the options for drill drivers, and Heath describes when and how to use a voltage tester. Then, Mauro shows how to hold a paintbrush, and Mark helps a homeowner extend her existing patio.

S20 E8, the TOH crew raise a new barn for Mark McCullough’s chickens
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S20 E8: Raising a Barn

The entire team comes together to help Mason Mark McCullough rebuild the chicken barn he lost to a fire. They reframe the barn, hook up new electrical wiring, connect a utility sink, and hang an exterior door.

S20 E7, Mauro Henrique paints a kitchen cabinet
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S20 E7: Fall Garden Tips, Paint Cabinets

Jenn shares how to put a garden to bed before winter; Mauro demonstrates how to paint a kitchen cabinet; Nathan installs exterior front door trim.

S20 E6, Tom Silva reshingles a shed roof
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S20 E6: Easier Plumbing, Roofing 101

In this episode, Mason Mark McCullough explains how bricks are made and how many different varieties there are. Then, Plumbing & Heating Expert Richard Trethewey explains how solderless connections work, and General Contractor Tom Silva assesses and reshingles a shed roof with asphalt shingles.

S20 E5, Ross Trethewey discusses smart doorbells with Kevin O’Connor
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S20 E5: Smart Doorbells, Recessed Lights

Ross discusses the pros and cons of smart doorbells; Mauro demonstrates techniques for painting wood paneling; Heath shares some of his most-used tools and helps a homeowner install recessed lights.

ASK This Old House Skate Rink, Season 20, Episode 4
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S20 E4: Wood Floors, DIY Ice Rink

Mauro demonstrates how to remove dried paint from a paintbrush; Tom shares the best techniques for connecting and installing tongue and groove flooring; Jenn and Nathan build a DIY ice rink.

S20 E3, Jenn Nawada with ground cover
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S20 E3: Hole Patches, Threshold Repair

Jenn discusses creative options for ground cover plants; Tom demonstrates different techniques for patching wall holes; Mark explains how to patch brick holes; Nathan installs a new threshold.

S20 E2, Jenn Nawada goes over plants for a high-traffic landscape
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S20 E2: Durable Landscape, Cutting Board

Richard explains the options for water heaters; Jenn creates a landscape that can withstand heavy pedestrian traffic; Tom and Kevin build a cutting board out of walnut, cherry, and maple.

S20 E1, Nathan Gilbert builds deck stairs
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S20 E1: Two-Prong Outlet, Deck Stair Railing

Richard discusses pipe soldering; Heath explains what two-prong receptacles are, why they’re no longer to code, and how to replace them; Nathan and Mauro build, install, and paint deck stair railings.