This Old House Season 45 Episode release dates & where to watch

1. Lexington: On a Mission

The crew starts a new project in Lexington, MA to renovate a home to be accessible for a young boy who has Muscular Dystrophy. They meet the homeowners and tour the project.

2. Lexington: Shore We Can

The interior is demoed, and rebuilding has begun. The new design and energy code are explained.

3. Lexington: The Big Dig

Accessible features integrated into the design begin at construction. A new mechanical room connects to the old via a block wall tunnel, HVAC ducting is buried underground, and after learning about residential elevators, framing begins for one.

4. Lexington: Engineered For Accessibility

A lally column stands in the way of the new open floor plan. As a solution, it is removed, and the ridge beam is replaced with a trio of engineered beams. The new landscape is previewed in 3D, and tips are shared for creating an accessible bathroom.

5. Lexington: Gone Geo

A zero-threshold entry to the patio is framed. Geothermal energy is explained, and wells are dug.

6. Lexington: Reworked and Rewired

The fully framed front of the house is revealed; work continues on the geothermal system; the connection to the interior is made; blocking is installed in the framing; replacing and rewiring old receptacles.

7. Lexington: Ramping Up

Repairing the original brick; building a DIY ramp; touring a modern accessible home; adding trim to the exterior.

8. Lexington: Drop in the Gutter

A walking tour of the roof reveals its various pitches; installing a built-in gutter system; rough-in begins on the interior; energy-efficient windows are installed.

9. Lexington: Phased Out

Work on the house is divided into phases for efficient workflow; the back foundation gets a stucco finish; kitchen cabinet selection; installing siding; the back patio gets proper drainage.

10. Lexington: Seven Layer Floors

The slab-on-grade foundation is built up; accessible AV solutions are explored; prep begins for a curbless shower; installing an automatic zero threshold door.

11. Lexington: Electrical Bond

Copper bonding is installed before the therapy pool is craned in; tile selections are revealed; the integrated entrance ramp gets snow melt and a final layer of concrete; elevator disconnects are installed.

12. Lexington: Upcycled

Building the elevator cab; using leftover flooring to make a modern feature for the kitchen island; exploring AV solutions for accessibility; installing new solar panels.

13. Lexington: Install With Care

Work on the internal geothermal systems begins; installing in-wall lighting to illuminate the entrance ramp; installing an offset p-trap; a visit to a glass-blowing studio; grab bar installation begins.

14. Lexington: All in the Family

Landscape planting begins with screen trees and rose bushes; the children pitch in on a painting project; the homeowners discuss Duchenne muscular dystrophy; a modern staircase is installed in the foyer.

15. Lexington: Judgement Day

Geothermal is in; kitchen appliances are installed; the new HERS score is revealed.

16. Lexington: Accessible Made Modern

The completed renovation of the 1960 mid-century modern home accommodates a family of five, including a child with Duchenne muscular dystrophy; the crew returns to go through the changes with the family.

17. Glen Ridge: Multi-Generational

The crew heads to New Jersey for the second project of the season - an 1897 Victorian in the Borough of Glen Ridge that's being renovated for multi-generational living. The homeowners give the crew a tour and explain how the new spaces will be used.

18. Glen Ridge: Vintage

Demo has begun uncovering 150-year-old wine bottles in the walls. A chimney is demolished, and the roof is reframed. The architect shares his inspiration for the project, and the mayor gives a tour of the Borough's gas lamps. Asbestos is abated.

19. Glen Ridge: Small But Mighty

Termite damage has caused major construction changes. New footings are needed in the basement. A historic community garden is toured. A 15-year-old student talks about working on the project. The old sewer line is replaced without trenching.

20. Glen Ridge: QR Construction

Installing helical piers for the new porch; prepping new windows for installation; protecting plumbing pipes from cold weather.

21. Glen Ridge: Roughed In

The new flangeless windows are installed water and air tight. Preparation begins for in-ceiling speakers. The Empire State Building is visited. Porch decking is installed to minimize waste, and a hybrid plumbing system is chosen for the house.

22. Glen Ridge: Next Level Tight

Air tightness is taken to the next level with vapor barrier electrical boxes. The homeowner designs a custom lead glass sidelight. Various types of weather-resistant barriers are explored. Drip edge flashing and exterior window trim are installed.

23. Glen Ridge: A Breath of Fresh Air

The new staircase is manufactured in a shop and assembled on-site. The shop is toured. The homeowner installs a new brick walkway. Wood fiber insulation and the new HRV system are explored. The architect talks about the interior trim details

24. Glen Ridge: Tested and Approved

A blower door test reveals the home's airtightness; a baseboard trim gets a radius detail; discussing the borough's effort to maintain its tree-lined streets; installing a prefab tile niche; prepping interior trim for paint finish.

25. Glen Ridge: Spring Forward

Building a custom mudroom bench from reclaimed wood; the primary bathroom gets a custom paint finish; spring landscaping; installing kitchen crown molding above the cabinets and recessed lighting.

26. Glen Ridge: Next Generation Victorian Finale

Renovation of the 1887 Victorian is completed; the builder installs the custom lead glass sidelight; the crew gets a tour from the homeowners.