https://screenrant.com/percy-jackson-season-1-episode-4-recap-story-reveals/

Percy Jackson and the Olympians episode 4 furthered Percy’s quest to the Underworld and featured a handful of shocking story reveals in the process.

Percy Jackson Episode 4’s Villain Makes A 19-Year-Old Book Mystery Even More Frustrating (https://screenrant.com/percy-jackson-episode-4-echidna-mystery-book-worse/)

Percy Jackson and the Olympians season 1, episode 4's ending leaves one Lightning Thief villain mystery still unanswered after 19 years.

How Many Episodes Percy Jackson Season 1 Has Left & When The Finale Is (https://screenrant.com/how-many-episodes-percy-jackson-season-1-finale/)

Percy Jackson and the Olympians season 1 has already debuted its first four episodes on Disney+, with several more outings to go before the finale.

Who Is Chimera? The Monster In Percy Jackson Episode 4 Explained (https://screenrant.com/percy-jackson-season-1-episode-4-chimera-monster-mythology-explained/)

Percy Jackson and the Olympians episode 4 introduces a new monster named the Chimera, one which is naturally based on ancient Greek mythology.