The episode titled serves as the 52-minute Season 1 finale (specifically segments 56 through 60).
: Rufus springs a final trap, and Joy fails to assemble the cup, leading to the realization that Nina may be the true "Chosen One". Sequence : House of Hush (Episode 56) House of Spies (Episode 57) House of Sting (Episode 58) House of Never (Episode 59) House of Forever (Episode 60) [S1E27] House of Hush / House of Spies / House ...
The title you are looking for is likely the Season 1 finale of the Nickelodeon show , rather than The Loud House . The episode titled serves as the 52-minute Season