When he stumbles upon evil Otto Von Walrus's scheme to melt the Arctic, ambitious delivery fox Swifty assembles a ragtag crew to protect the planet.
As Sarah and her child look to settle in Jakarta, Zaenab searches for answers and gets caught between defending her marriage to Doel or letting it go.
A star cowboy in a traveling rodeo gets thrown off course when he falls in love with the daughter of a tough-minded town councilman.
An invitation from the Queen sends Thomas and the crew to London as they weave through delays and debacles while racing to a royal celebration.
Amid special demonstrations in Sodor, Thomas and the gang worry they'll be replaced by new inventions until a mission shows how useful they really are.