Thomas leaves Sodor to fulfil his dream of seeing the world. This heroic quest takes Thomas across deserts, through jungles and over dangerous mountains as he travels across five continents seeing sights he has never seen before.

Celebrity guinea pigs undergo an extreme junk food eating regime in a groundbreaking experiment.

Billy Pitcher is racist. His daughter dates a black man and convinces him to attend an African church to embrace her partner's culture. He miraculously wakes up the next morning in a black person's body.

A family's decision to sell its 210-year-old Cape Cod summer home, which has seen five generations of the family pass through its doors, spurs one of its members, filmmaker Nick Fitzhugh, to preserve the memories it holds for future generations; and, too, to ask whether a family makes a house or if the house makes the family.