[s1e4] The World In The Walls -

Julia visits Quentin and inadvertently reveals the illusion's falsity by mentioning she didn't see the "fireworks" Quentin cast—something she shouldn't have known about if he were truly non-magical.

Quentin leads a music therapy group in a rendition of Taylor Swift’s "Shake It Off" to annoy the "orderly" version of Penny, testing if the real Penny’s consciousness is linked to the dream. [S1E4] The World in the Walls

When the real Penny eventually enters the dream, he is furious at the "racist" orderly caricature Quentin's mind created. The entire scenario is a Scarlatti Web spell

The entire scenario is a Scarlatti Web spell cast by Marina and Julia to distract Dean Fogg. Marina’s goal is to lower Brakebills' wards so she can break in and steal her erased memories. However, Quentin ultimately must break the spell himself

To wake Quentin, Dean Fogg summons a Matarese (a mechanical-looking scorpion) to enter the dream world. However, Quentin ultimately must break the spell himself by refusing to play the games of the Madness Maker , a figure from the Fillory and Further books. Memorable Moments