Ask This Old HouseSeason 252026 · 5 episodesEpisodes1Adobe Bricks and Miter TricksKicking off Ask This Old House's 25th season, Mark McCullough travels to New Mexico to learn the art of adobe, from mixing and forming bricks to repairing a cracked earthen floor. Tom Silva shows Kevin O'Connor an easy trick for cutting miters on imperfect corners. Then, Jenn Nawada revisits a garden she transformed on the show over 10 years ago to see it fully grown in and flourishing.2Pull-Chain Upgrade; Sod RepairHeath Eastman upgrades basement lighting by wiring pull-chain fixtures to a wall switch for easier control. Lee Gilliam repairs snowplow lawn damage with a sod patch along a driveway. Then, the team revisits favorite 'What Is It' moments from over the years before guessing a new mystery item: a flat orange plate with spiky feet.3Add Hose Spigot; Cover CropsThe team looks back at some of their most memorable cutaway demonstrations over the years. Then, Richard Trethewey helps a homeowner add an outdoor hose spigot using PEX. Jenn Nawada visits a farm to learn how they use cover crops to protect and improve their farming soil during the off-season. Then, she demonstrates how a homeowner can use cover crops in vegetable gardens.4Sticking Front Door; InsulationRichard Trethewey, Ross Trethewey, and Kevin O'Connor look back at clips to see how thermostats have evolved over the 25 years AskTOH has been on the air. Then, Ross compares common home insulation types, sharing which materials may work best for various situations. Nathan Gilbert helps a homeowner fix a sticking antique front door by replacing the worn hinges, lock hardware, and the door sweep.5Episode 5Season 1Season 2Season 3Season 4Season 5Season 6Season 7Season 8Season 9Season 10Season 11Season 12Season 13Season 14Season 15Season 16Season 17Season 18Season 19Season 20Season 21Season 22Season 23Season 24
