Tarek and Christina tackle retro property in Hacienda Heights, CA.

Tarek and Christina take a gamble on a moldy home in Anaheim Hills, CA.

Tarek and Christina try to nail a hip design in a trendy neighborhood.

Tarek and Christina flip a problematic home in Santa Ana, California.

Tarek and Christina reveal the biggest risks they've ever had to take.

Tarek and Christina cover the highs and lows of the flipping business.

Tarek and Christina open up about how they've evolved as designers.

Tarek and Christina take a look back on emotional moments over the years.

Tarek and Christina struggle to find a profit in a problematic flip.

Chip and Jo restore a historic home's old charm for an Austin, TX, couple.

Chip and Jo create a traditional home for a family of five.

After house hunting with no luck, a couple calls on Chip and Jo for help.

Chip and Jo give a Tudor-style home modern amenities and a master suite.

Chip and Jo give a 1970s ranch house a major Mediterranean makeover.

Chip and Jo hope to persuade a special buyer to purchase a home.

Chip and Jo convert a drab 1950s property into a cozy cottage retreat.