Ask This Old House Season 12 Episode release dates & where to watch

1. Replacing an Old Door; Hot Water Without Waiting

The twelfth season of Ask This Old House begins with Kevin teaching the guys how to use Twitter. Tom replaces an old, rusted bulkhead door. Richard discusses several ways to get hot water without waiting. And the guys ask "What Is It?"

2. Building a Garden Bed in New Mexico; Repairing a Leaky Toilet

Roger builds a garden bed for chile pepper plants in New Mexico. Richard repairs a leaky toilet with a worn out flange. And the guys ask "What Is It?"

3. Hands-Free Kitchen Faucet; Channel Drain to Divert Rainwater

Richard replaces a leaking kitchen faucet with a new hands-free model. Kevin explains rechargeable batteries. Roger installs a channel drain in a driveway to divert rainwater. And the guys ask "What Is It?"

4. Pre-Hung Front Door; Big Containers for Screening and Shading

Installing a pre-hung exterior door. How to use large containers for shading around the home.

5. Shade Sail Over a Deck in Santa Fe; Hybrid Water Heater

A member of the team learns about styles prevalent in Santa Fe, N.M. Roger teaches the proper way to use a wheelbarrow. How to install a shade sail to a deck. Richard installs a hybrid water heater.

6. Leaky Skylight; Repairing a Noisy Toilet

Tommy replaces a leaky skylight. Richard quiets a noisy toilet.

7. Planting a Maple Tree; Working on an Underground Bathroom

Roger transplants a specimen maple tree. Fixing an underground master bathroom.

8. Preparing for Severe Weather

How to make improvements to make your home safer during a tornado, hurricane and power failure. A meteorologist describes how weather is changing and what homeowners should do to prepare.

9. Uses for a Router; Replacing an Air Conditioning Unit

Tom demonstrates many uses for a router. Richard replaces an air conditioning unit that freezes when it runs. And the guys ask "What Is It?"

10. Irrigation System; Installing a Heat-Pump Water Heater

Installing an irrigation system designed for a desert climate; new style of heat-pump water heater; reusing an old garden hose reel.

11. Crown Molding in Seattle; Replacing a Rotted Fence Post

Installing crown molding; replacing a rotted fence post; difference between cement, concrete and mortar.

12. House Humidifier in North Carolina; Hardwired Smoke Detector

Installing a Whole-House Humidifier in North Carolina; Installing Hardwired Smoke and Carbon Monoxide Detectors.

13. Waffle Gardening in Santa Fe; Mechanical Dampers for Air Heating

"Waffle Gardening" in Santa Fe; Adding Mechanical Dampers to a Forced-Air Heating System

14. Rotted Porch Post; Dealing with High Indoor Humidity

Repairing a Rotted Porch Post; Dealing With High Indoor Humidity

15. Fitting a Mattress up a Staircase; Repairing a Light-Switch in Seattle

Fitting a Mattress Up a Narrow Staircase; Repairing a Light-Switch in Seattle

16. Clawfoot Tub with Shower; Installing a Permanent Fire Escape

Installing a Clawfoot Tub With Shower; Installing a Permanent Fire Escape in a Bedroom

17. High Tunnel Greenhouse; Converting Recessed Lights Into Pendants

Building a high tunnel greenhouse; converting three recessed kitchen lights into three pendants. Selecting pliers and wrenches.

18. Quieting a Squealing Shower; A DIY-Friendly Security System

Quieting a Squealing Shower; A DIY-Friendly Security System and Video Camera

19. Plants from Seed; Outdoor Hose Spigot; Movable Kitchen Island

How to start plants from seed. How to prevent an outdoor hose spigot from freezing. How to build a movable kitchen island.

20. Planting a Low-Cost Privacy Screen; Sealing Ductwork

Planting a low-cost privacy screen; and sealing ductwork without removing the walls.

21. Baseboard Hole-Patching; Maintaining a Lawn Mower

Replacing a shower valve; repairing damage to a baseboard; keeping a lawn mower in excellent shape.

22. Celebrating 300 Episodes

Celebrating 300 episodes of "Ask This Old House" with a review of favorite moments.

23. Building a Simple Table; Getting Rid of Tree Stumps

Building a simple table from solid fir; removing tree stumps; solar energy.

24. Accessible Home; Modifying a Bathroom and Dangerous Staircase

Modifying a bathroom and stairs to make them wheelchair accessible; rebuilding dangerous staircase.

25. Replacing Fluorescent Under Cabinet Lights; Working with Concrete

Replacing fluorescent under-cabinet lights with LED fixtures; working with concrete.

26. All About Kitchen Renovations; Chef Michael Symon Finale

Installing new cabinets; countertop options; the home and restaurant kitchens of chef Michael Symon.