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When Ryan discovers what has really been going on in his brother's seemingly happy marriage, he's forced to make a momentous decision about his own relationship with Niamh.

Dr. Timoney advises Martin and Louisa to try to take things back to the beginning of their relationship and plan a date; Danny, Louisa's ex-boyfriend, arrives from London with seven children.

The Oakley gang begin preparations for the Behind the Vines Showcase, while Louis attempts to repair his marriage.

Performances include Symphony No. 103 in E-flat major, "Drumroll" by Haydn, Violin Sonata No. 9, Op. 47, "Kreutzer" by Beethoven and Cello Concerto in E minor, Op. 85, by Edward Elgar.

Dr. Charles Yarish, professor at the University of Connecticut; Dr. Cody Friesen, CEO of Zero Mass Water; Ali Jaffer, COO of Generation; Dr. Sasha Kramer, Sustainable Organic Integrated Livelihoods.

The Cordell Bank National Marine Sanctuary, 50 miles northwest of San Francisco, is a hot spot for marine life.

A workout focusing on the back, core and knees helping to relieve any pain or discomfort.

Using rhythm to keep different processing areas of the brain sharp with exercise combinations.

Uniting mind and body with the standing rotation, revolved open twist, and the apex pose, Twisted Sister.

Gigantic balloons and grasshoppers; investigating the power of the sun and solar energy; building a solar car; sustainable finance expert Marilyn Waite.

Target market; product, price, promotion and placement; how businesses market their services and products.

Dark Truder tricks the Zula Patrol into going to Earth for a vacation; Pluto refuses to orbit when the other planets hurt his feelings.

A guided meditation that infuses tranquility and peace; variations of sun salutations.

Seated and standing poses for shoulders, chest, back, hips, hamstrings and more; toning, strengthening, improving balance, increasing flexibility and reducing stress.

A full-body flexibility workout in a garden stretches all muscles and promotes movement.

Exercises for improving eye-head coordination and pelvic mobility.

Flank steak in adobo; inexpensive blenders; Texas breakfast tacos.

Goose with port wine; broccoli puree; pan-fried Svalbard cod; king crab; seafood-flavored vegetables; chocolate cake with orange marmalade.

French fried potato po'boy; hot sausage po'boy; pork chop and oyster BLT po'boy.

Joel reveals his secrets for navigating a stress-free holiday season; a sweet that is perfect for any holiday gathering; chicken curry.

Shaved artichoke, spinach and mortadella salad; spaghetti with garlic and oil; skillet ricotta mini meatlovaes.

Water splashes down at the old mill.

Wilson adds detail to the gentle ocean waves and the sandy beach.

An old homestead includes some ancient crab apple trees; creating new flavors using some old culinary concepts.

Designer Robert Haven talks about bead work.

An easy technique for creating baby bibs in the hoop; making a folding fabric basket for storing sewing supplies or other items.

Signal Lights block is made with the Kaleidoscope Ruler.

Bula and Zeeter must convince a rock group to perform in a benefit concert; Fielding rediscovers the joys of being a volcano.

Balancing bottles; quirky corks; marshmallow mobiles; squooshy ball structure.

Exploring Acadia National Park's fall color and carriage roads that wind throughout the park; experts explain important conservation initiatives.

The renowned political scientist discusses global news and interviews world leaders.

Ways to retire early; encore career.

Diving into the work of Dr. Ellen Langer, the first woman to be tenured in psychology at Harvard University, and her theory of mind-body unity.

Kentucky land that's been farmed by the same family for more than 200 years; America's best-looking lawns; apricot recipes; Louisiana trackers hunt for feral hogs that are destroying farmland.

The lodge is the proposed site of the biannual Possum Olympics; Bill plays horseshoes; Red experiments with plumbing.

The community accepts that a woman's death is suicide, but her suicide note is emailed after her body is found.

The community accepts that a woman's death is suicide, but her suicide note is e-mailed after her body is found.

Alan and Celia are seven years into their marriage but are not seeing eye to eye; Alan's brother, Ted, plans to visit; tempers flare when money becomes the topic of conversation at a birthday celebration.

Superheroes over the decades, from "Superman" in the 1950s to "The Greatest American Hero" in the 1980s.

The community accepts that a woman's death is suicide, but her suicide note is emailed after her body is found.

The community accepts that a woman's death is suicide, but her suicide note is e-mailed after her body is found.

Alan and Celia are seven years into their marriage but are not seeing eye to eye; Alan's brother, Ted, plans to visit; tempers flare when money becomes the topic of conversation at a birthday celebration.

Superheroes over the decades, from "Superman" in the 1950s to "The Greatest American Hero" in the 1980s.

Dr. Sandra Faber, university professor of astronomy and astrophysics at the University of California, Santa Cruz, talks about what inspired her to pursue astronomy.

Exploring Regensburg, Germany, including the Goliath House, Regensburg Cathedral and Stone Bridge; a visit to Eilsbrunn for the Guinness World Record holder for the oldest permanently open inn; a traditional bead-stitching art form.

Relieving tension in the lower back with posture and hip isolation exercises.

Increasing motion in the knees and shoulders.

Wimee and friends sing the "Itsy Bitsy Spider"; learning about tarantulas; playing a rhyming game.

Behind the scenes careers in sports, music, entertainment, art and aviation.

A teamwork-building treasure hunt through the solar system; Dark Truder's latest scheme turns Bula, Multo and Gorga into toddlers.

A gentle seated yoga session using a chair for support, including seated sun salutations and gentle stretches designed to increase range of motion and enhance mobility in the shoulders, upper back, hips and more.

An all-barre, waist toning workout strengthens the abs and slenderizes the core.

Combining tai chi with brain and visualization exercises; isometric exercises using a towel.

Homemade ravioli with asparagus, goat cheese and Chianti; homemade ravioli stuffed with spicy greens.

A pork tomahawk dusted with fennel pollen and pepper and grilled over almond wood; grilled salmon steaks; double-thick pork chops grilled caveman-style; poblano pan-fry; cedar-plank grilled chocolate brownie s'mores.

Bloody mary-soaked shrimp salad; seafood eggplant bake; bourbon-frosted fruitcake cookies.

Japanese-inspired broiled salmon with miso glaze; chirashi sushi; grilled chicken tenders with chimichurri; sabayon with Madeira and grapes.

Dining at Night + Market in Hollywood, Calif., with actress Jessica Alba, who talks about her commitment to eco-friendly, sustainable ingredients for The Honest Company's products.

An exhibition of trees captures the colors of autumn on canvas.

The practices and principles of the 18th-century town of Salem, N.C., are utilized in modern backyard gardens.

Duct cap covers display; cement planters or candle holders with plaster of Paris; light bright bracelets; caulking decoden jar lids; zip tie jewelry.

The aspen groves on the eastern side of California's Sierra Nevada Mountains explode with color each fall.

Grant Batson makes the things that interest him most, like guitars and smoking pipes made from Italian burr.

The history of the long rifle.

The Zula Patrol helps Zulean insects who lost their neighborhood to Bruce and Sheila Mole; Iris' orchid.

Emotional reactions and connections people have to money.

Farmers in Iowa confront climate change, pulling carbon from the atmosphere into the ground; decline of the Salton Sea; a program to regenerate forest brings songbirds back to the woods of Pennsylvania.

Healthy living program focused on nutrition, alternative medicine, fitness and wellness trends.

CPA Tom Corley talks about the habits of the rich and how they spend their money; good spending strategies; three retirement mistakes.

Prevention to cure, the groundbreaking world of Japanese medical technology and healthcare, from food and exercise to the latest treatments.

Mathilde Mukantabana, Rwanda's Ambassador to the U.S., talks about the legacy of colonization and the relationship between the U.S. and Rwanda.

Interviews with storytellers about their creative processes and how their stories help shape public understanding of important issues.

Phryne investigates a holidaymaker electrocuted while hanging Christmas lights.

Rick Blaine (Humphrey Bogart), who owns a nightclub in Casablanca, discovers his old flame Ilsa (Ingrid Bergman) is in town with her husband, Victor Laszlo (Paul Henreid). Laszlo is a famed rebel, and with Germans on his tail, Ilsa knows Rick can help them get out of the country.

Experience Music Project in Seattle; interior designer Eiko Okura; Michael Franti.

A train departs from the coastal city of Lima, Peru, and arrives at Huancayo, on the Altiplano of the Andes.

Phryne investigates a holidaymaker electrocuted while hanging Christmas lights.