Michael bores his son with "dry history" in Germany's Bavarian Alps, while Jack tries to liven up their first stop with motorcycles and skis.
Jack and Michael channel Harry Houdini and take a boat ride in Budapest, and then have an odd border-control experience on a road trip to Transylvania.
In Romania, Michael and Jack pay a visit to "royalty" and an unusual cemetery. Later, they go to little-visited Moldova to meet Sunstroke Project.
Michael puts Jack through military training in Kiev, and then they head to Chernobyl before Jack drags his dad to a clown festival in Odessa.
Jack treats his father to a luxurious birthday trip to Istanbul, where they visit a hookah lounge and Michael recalls a wild night with David Bowie.
Jack and Michael begin their journey in Bangkok and immediately clash over accommodations, then visit an odd temple and attend an elephant polo match.
In Bangkok, the Whitehalls patronize an unusual doll shop. An annoyed Michael needs time away from Jack, so Jack goes off on his own to try parkour.
In Phuket, Jack tries to get his dad to loosen up at a full moon party, then seeks his emotional support in a floating football match.
Now in Cambodia, Jack and Michael take a primitive train ride. Jack obsesses over finding food his dad would enjoy, and they visit Angkor Wat.
In Siem Reap, Jack upsets Michael at a puppet show, then Jack observes rats that help clear minefields. Later, the pair seeks some peace in Vietnam.
Jack and Michael honor Michael's parents in a ritual and visit a performance artist in Hanoi, then reflect on the impact of their journey.