Jon Knight must preserve the history of a 280-year-old farmhouse while also making it feasible for modern living. When he learns that part of the foundation is beyond saving, he makes the shocking proposition to the owners to tear down half of the home.

An outdated farmhouse is transformed into a functional family home with an earthy design. Jon and Kristina create a kitchen fit for a chef, a cozy, traditional New England family room and even a goat jungle gym for their new farm animals.

A historical house from 1873 is transformed into a vibrant, modern home for a young family. Jon and Kristina give this family of five a home with fun colors, shiny brass, whimsical bird wallpaper and even a beehive.

Jon and Kristina have their biggest budget yet to overhaul an old family home while honoring three generations of memories. They give this family a breezy, coastal home full of sentimental touches and nods to their farming history.

It's a sugary sweet renovation when Jon Knight and his team tackle a baker's 1910 home. Together, Jon and Kristina Crestin give her a charming, retro kitchen that any baker would love and a luxurious main suite the single mum truly deserves.

Jon and Kristina take on their biggest renovation when they make over a couple’s horse farm. They’re tasked with combining all their clients’ requests — an old-world kitchen, a moody club room and a country club exterior — into a single, cohesive home.

A Los Angeles family buys a 1798 farmhouse sight unseen in New Hampshire; Jon Knight and Kristina Crestin transform the dark home into a vibrant space with a bright-white kitchen, a bathroom they can fit in, and a Santa Monica-inspired chicken coop

It's the "newest" renovation yet as Jon Knight tackles a 50-year-old Colonial reproduction. The home needs major help, so Jon and Kristina bring in a bright West Coast design, adding much needed natural light, a vaulted ceiling and a dream mudroom.

Restoring a 1790s farmhouse with a design inspired by fairy-tale cottages of England; the team updates the kitchen with 200-year-old pine floorboards found in the attic, and gives the home a mudroom and a true English garden.

Jon Knight and Kristina Crestin transform a quirky 1840s beachside home and give it a relaxing, coastal feel it's been missing; they include a dramatically dark living room, kitchen decor inspired by a family recipe and the perfect beach mudroom.

Jonathan Knight and Kristina Crestin deliver an emotional renovation to a choppy 1800s Victorian home; the team makes sense of the space for the family and their Great Danes; design inspiration comes from unusual places, including an antique car museum.

Jon Knight and Kristina Crestin take on their spookiest project yet as they remodel the bedroom and bathroom of a home connected to the Salem witch trials. Then, Jon restores a 1950s farm stand and lives out his dream of building a post and beam barn.

Jon Knight picks up a 110-year-old house and moves it! It's been in the Knight family for 20 years, and Jon wants it to be a home for his whole family to visit for years to come. Also, the farm ducks get new digs in the form of a floating duck house.

Jon Knight and Kristina Crestin take on a horse farmhouse before he leaves for tour with the New Kids on the Block.

Jonathan Knight embarks on a new venture as he helps his friends Bill Klein and Jen Arnold, from TLC's "The Little Couple," find the perfect farmhouse. They have a long wish list, including an elevator, and hope to find a home with history and character.

Jon and Kristina are back at the John Proctor house after a devastating pipe break wreaks havoc on the home’s first floor.

Jon and Kristina take on one of their oldest renovations yet and uncover demon trap folklore in the 1700s home.

A family's unusual taste leads Jon and Kristina to a woodland creature design in an overhaul of their 1800s home, and odd things are found behind the walls.

Jon and Kristina renovate a historic lighthouse on an island off the coast of Salem, Massachusetts.

Jon and Kristina come to the rescue for a homeowner who finds himself over his head constructing a post and beam barn.

For the first time ever Jon and Kristina renovate a home on a working berry farm. Using salvaged pieces found on the farmstead, they design a glass bottle wall, hanging plant feature and completely transform the space into a breathtaking modern farmhouse.

A clam shack once residing on a nearby island was transformed into a home and is now in need of major updates! Jon and Kristina come to the rescue and pull from it's seaside history to create a bright space that's perfect for humans and felines alike.

Jon and Kristina are called on to help a client redo her 1700s home, but the narrow staircase presents a huge hurdle.