Funny / The Chronicles of the Imaginarium Geographica
Jack and John arguing about how to open Sammarath's door in Here There Be Dragons. Surprisingly, it's Jack who suggests doing the speak friend and enter trick, while John is the one who says it should be some Abra Kadabra word instead. And then Jack starts arguing about word semantics in the process.
Sycorax telling everyone to go outside the inn during the last quarter of "The First Dragon", despite the serious tone surrounding it, feels a lot like a parent telling their children to stop fighting.