Depending on which series you are watching, "Episode 39" refers to two very different stories in the Digimon franchise.
For full episode guides, you can visit the Wikimon Episode 39 page or watch the reboot version on iQIYI . Digimon Adventure Episode 39
Joe and Gomamon find themselves at a Digimon "rest area" that serves burgers and fries. Depending on which series you are watching, "Episode