In "The Penultimate Peril", which marks his final appearance in the series, he and the freaks are present at the Hotel Denouement where Hugo poses as a worker at the hotel's rooftop sunbathing salon. When Dewey Denouement is killed during the confrontation with Count Olaf which awakens all the hotel patrons, he agrees with Mrs. Bass when she claims that the Baudelaire children are criminals and he says that they are too freakish to be allowed to move around freely. During the blindfolded trial presided over by Justice Strauss, Hugo presents some carnival posters as evidence. When Hotel Denouement catches fire, Hugo, Colette, and Kevin are last seen holding the bird paper that Klaus hung on the outside of the sauna. Hugo asks if the plan for the hors-d'oeuvres is still in operation. It is left uncertain whether Hugo survived the fire at the Hotel Denouement.