Ask This Old House Show Summary, Upcoming Episodes and TV Guide

Creating a planter box with red cedar; 3-D scanner for home interiors; surge protection.

Installing a portable generator to power an entire house; repairing a poorly installed piece of wood floor nosing; dishwasher cycles.

Home message center; adding cable-powered fixtures; carbon monoxide detectors.

Reviving a backyard; replacing an inactive door handle with a passage set; the evolution of plumbing.

Using heart pine scraps to make a cutting board; transforming a room with LEDs; the best ways to prevent mice.

A tour of Nick Offerman's woodworking shop in Los Angeles; monitoring energy; dish soap blunder.

Diagnosing a malfunctioning hot water radiator; handsaws; installing LED garage lights.

Choosing an efficient washer and dryer; three-way switch; table saw safety.

Room-by-room HVAC; using plaster to patch drywall.

Preventing fires in homes; replacing a rusty sink strainer.

Building a home gym for a wounded U.S. Navy SEAL; repairing a faulty doorbell.

Repairing an antique door; growing edible herbs indoors; disappearing toilet water.

Growing potatoes in Idaho; Jim Cantore talks about weather stations; installing track lighting.

Installing a light fixture; installing a bathtub overflow drain; insulation R-value.

Replacing a front door deadbolt with a lock that uses Bluetooth; installing a weather-resistant television on a patio.

An electrical solution to ice dams; meteorologist Jim Cantore; snowblower maintenance; tuning up the furnace.

Using a chainsaw; improving the electrical connection to a garage; silencing squeaky floors in a baby's room.

Richard installs a smart thermostat. Ross Trethewey shows Kevin a solar install. Kevin, along with Tom, Richard and Roger ask, 'What Is It?'

Roger helps a homeowner plant an indoor tropical garden with plants from Jamaica. Richard, Roger, Kevin and Tom ask 'What Is It?' Richard shows how to change the temperature on water heaters. Then Tom and Kevin build an American flag out of reclaimed wood.

Roger helps a homeowner replace a mailbox that was damaged by a snowplow. Kevin shares some information about window anatomy. Tom helps a homeowner reuse an old door in a new opening. And the guys ask, 'What Is It?'

Kevin and Roger meet with Meteorologist Jim Cantore to discuss lightning. Roger sees a lightning protection system installed. Richard installs a reverse osmosis filter for drinking water. And the guys ask, 'What Is It?'

Tom and Kevin build a basic entry shelf from poplar and plywood. Scott Caron helps a homeowner wire a basement room for outlets and lighting. Then, Kevin, along with Roger, Richard, and Tom ask 'What Is It?'

Kevin helps a homeowner transform an old backsplash. Then, the guys ask 'What Is It?' Afterward, Richard helps a homeowner install a new kitchen faucet.

Roger removes overgrown shrubs from the front yard and replaces them with an edible landscape. Richard shares tips on snaking drains and Tom helps a homeowner replace damaged pieces of vinyl siding. The guys ask, 'What Is It?'

Tom and Kevin build a watertight fire pit cover. Scott teaches Kevin about the evolution of fuses. Richard upgrades and vents a bathroom sink. The guys ask 'What Is It?'

Scott Caron connects a homeowner's basement lighting system to one switch. Richard shares some tips on air conditioning maintenance. The guys ask 'What Is It?' Roger shows a homeowner how to rejuvenate a crabapple tree.

Roger follows up with a beekeeper regarding honey harvesting. Kevin, along with Roger, Richard, and Tom ask 'What Is It?' Scott Caron adds outlets to a homeowner's home.

Richard samples some unique barbeque, and installs a natural gas line for a new grill. Kevin, along with Roger, Richard, and Tom ask 'What Is It?' Roger shares some tips on what grows best in the shade. Tom hangs a heavy, decorative mirror on a masonry chimney.

The guys tackle practical solutions for drought. Kevin and Richard tour Lake Mead. Roger replaces a water-guzzling lawn. Kevin meets with Meteorologist Jim Cantore to hear cautionary tales from the front lines of the drought. Richard replaces an old-fashioned toilet.

Roger heads to Florida to learn about citrus greening, a disease that's killing citrus trees across the state; The guys ask What Is It?; Tom replaces an old vinyl peel-and-stick floor with ceramic tile.

Kevin helps make a home accessible for a homeowner in a wheelchair by modifying a bathroom and several different sets of stairs. Tom and Kevin rebuild a dangerous staircase for a survivor of the Boston Marathon bombing.

Roger repairs a drip irrigation system The guys ask 'What is it?' Richard and tile expert Joe Ferrante help repair a leaky bathtub once and for all.