The Crest of Sincerity

The Crest of Sincerity (幻船長コカトリモン!, Maboroshi Senchō Kokatorimon!; lit: Cockatrimon, the Captain of Illusions!) is the seventeenth episode of Season 1 in Digimon Adventure, and the seventeenth episode overall.

Synopsis
When Gennai appears and questions the kids abilities, this makes them doubt if they're doing the right thing. When a cruise filled with evil digimon appears, can the kids discover how they must act?