[s1e27] House Of Hush / House Of Spies / House ... Guide

While your query mentions "proper paper," this may be a slight misremembering of the plot involving the or rituals required at the threshold of the house, or perhaps a reference to the "Paper Dilemma" found in The Loud House fan-fiction and fan-theories. Key Details of the Episode:

The episode titled serves as the 52-minute Season 1 finale (specifically segments 56 through 60).

: The Sibuna gang attempts to assemble the Cup of Ankh during the "Chosen Hour".