Seasons & episodes

Nathan shares how he became a carpenter and what he loves about his trade; Heath talks all about different LED light bulbs; Richard fixes a wobbly toilet and repairs a sticky faucet handle.

Jenn Nawada suggests houseplants for areas of shade, partial shade and sun. Heath explains techniques for drilling holes to run electrical wire. Jenn Largesse shows how to put up an outdoor vinyl fence. Tom builds a beehive out of wood.

Nathan shows how to mount a flat screen TV on a wall. Mark builds a stone birdbath. Tom repairs a Newel post damaged by a dog.

Ross shares why he became an engineer; Tom talks about different types of hammers; Richard shows how to control common plumbing emergencies; Nathan removes and replaces a garage door.

Jenn shows off different varieties of hydrangeas; Heath explains types of smoke and carbon monoxide detectors and their functions; Mauro refinishes deck railings and posts.

Richard shows how to replace a toilet seat; Jenn Largesse builds a pergola for her backyard; Nathan repairs a century-old full mortise lockset.

Jenn talks about different types of succulents; Richard installs a reverse osmosis under-sink water filter; Tom builds a classic milk stool.

Using common electrical tools; an in-depth home energy assessment; painting.

Team members talk about their fathers as mentors; airflow in buildings; finishing a baseball bat display case.

Kevin O'Connor explains how he became host of "This Old House"; a simple trick for drawing a perfect ellipse; moving a light fixture and patching the ceiling; the basics of finish nailers.

Heath shares why he became an electrician and what he loves about his trade; Mauro shows a trick for applying caulk in gaps; Tom shows how to install crown molding around corner angles; Ross explains the future of solar at MIT.

Mauro shares why he became a painter and what he loves about his job; Jenn shows how to test soil at home; Nathan explains how to use track saws; Heath adds a receptacle to a kitchen island.

Tom shares a trick to space balusters evenly; Heath shows how to drill holes in studs to run wire; Jenn Largesse builds DIY deck chairs; Richard explains ways to deal with a damp basement.

Mark explains finishes for brick and concrete; Jenn shows how to maintain a small backyard pond; Tom builds a three-legged Demilune table.

Nathan explains the anatomy of track saws; Mark repoints an outdoor pizza oven; The Ask This Old House team comes together for a 20th Anniversary "What Is It?"