Tiziana is referring to the “monsters” element.

When I wrote this page, I didn’t even know the new X-Files season would already have started by now. But I guess now it makes even more sense that Lena is thinking of the show. 😀
(She and Ken generally like sci-fi and mystery shows, as suggested by their comments and speculations about Isabelle early in the comic.)

— End of chapter. Once again, all questions have been answered.