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

Electrician Scott Caron helps a homeowner install an electric vehicle charger next to his house. The guys ask, "What Is It?" Then, Richard helps a homeowner install a new kitchen sink.

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.

Tom and Kevin discuss kitchen island dimensions. Richard quiets a noisy baseboard heating system. The guys ask, "What Is It?" Scott Caron helps a homeowner add light to a kitchen by install three new recessed cans.

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?"

Scott Caron installs some landscape lighting. Kevin, Tom, Richard and Roger ask "What Is It?" Richard replaces a water main shutoff.

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?"

Scott Caron helps a homeowner replace an undersized ceiling fan with a more appropriate one. Kevin, Tom, Richard and Roger ask "What Is It?" Roger visits a bonsai nursery to learn the art of sculpting trees.

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?"

Tom helps a homeowner replace broken sash cords. Roger shows a homeowner how to plant bulbs. And the guys play "What Is It" with special guest Doris Kearns Goodwin.

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.

Richard installs a whole house ductless heating and cooling system. Kevin shares some tips on hearing protection and Tom helps a homeowner repair a sagging plaster ceiling. Then, Kevin, along with Roger, Richard, and Tom ask "What Is It?"

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 helps a homeowner install interior window trim. Richard shares some first time plumbing tips with Kevin. Scott Caron wires an above ground pool safely. Kevin, along with Roger, Richard, and Tom 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?"

Tom replaces a broken window with a safer solution. Kevin, along with Roger, Richard, and Tom ask "What Is It?" Richard shows a homeowner how to rotate a toilet.

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 helps a homeowner build a hydroponic garden. The guys ask "What Is It?" Richard helps a homeowner install a hot and cold water outdoor faucet.

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.

Roger learns from a beekeeper how to set up a beehive for a homeowner. The guys ask, "What is it?" Scott Caron adds lighting to a dark kitchen without having to run new wiring.

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.

Tom teaches a homeowner how to repair structural problems in his home. Scott Caron helps a homeowner run wiring for a new ceiling fixture and switch in a living room. The guys ask, "What is it?"

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 educates Kevin on beneficial insects. Tom resizes a front door that gets stuck on carpet every time it opens. Richard repairs an outdoor garden faucet. The guys ask "What Is It?"

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.

Richard shows Kevin some solutions for dealing with rust stains. Tom installs a pass through in a load-bearing wall. Roger replaces a poorly built fence gate. The guys play "What Is It" with special guest NASA Astronaut Rick Mastracchio.