Stranger Things Season 4, Episode 4 was one of the most unforgettable additions to the tale of supernatural chaos. Making fans relive the nostalgia, director Shawn Levy just dropped some fun BTS moments from the season.The filmmaker took to X to post a set of photos, captioning them simply: “Dear Billy…”. The phrase instantly took fans back to the emotional story of Season 4, Episode 4.The photos capture candid moments from the shooting. The pictures are a fun assortment, including a levitating Max Mayfield in a blue jacket, the emotional gravestone of Billy Hargrove, and a smiling on-set selfie of Levy with the young cast.Stranger Things director Shawn Levy shares BTS photos from Season 4’s most popular episodeThe selfie includes Sadie Sink, Caleb McLaughlin, and Gaten Matarazzo. On another rather horrifying close-up, we see Sink’s expression during one of the show’s most intense sequences.The scary eyes instantly tap into the nostalgic supernatural-horror appeal of Stranger Things. These photos made fans jump back into the past to one of the most chilling climaxes of the show.Season 4’s most iconic moments were defined by Sink’s raw performance set to Kate Bush’s ‘Running Up That Hill. The episode from Season 4 was directed by Levy himself and aired on May 27, 2022. Set in the quiet town of Hawkins in 1986, the episode centers on Max, who lost her stepbrother Billy.She becomes the next target of Hawkins' notorious threat, Vecna. A whirlwind of supernatural chaos and personal battles unfolds gradually. One of the most unforgettable scenes involves Max, who remains stuck inside Vecna’s nightmarish mindscape.Netflix's "Stranger Things" cast with Shawn Levy - Source: GettyShe manages to break free with the help of Bush’s 1985 hit. Levy is hailed for creating this scene with practical effects, wirework, and emotional close-ups.The BTS photos shared on social media capture the unique blend of tension and heart that defined the making of Season 4. The shots include Sink suspended midair, Levy sharing light moments with the cast between takes, and the gravestone prop anchoring the episode’s emotional pull.Upon release, ‘Dear Billy’ won hearts, earning praise across all departments, from cinematography and music to Sink’s powerful performance. The episode prompted cultural milestones, inspiring fan edits and social media posts.The social media BTS tribute comes at a perfect time, now that Stranger Things Season 5 is about to hit Netflix. The BTS photos serve as perfect entry points into the madness of Hawkins and the looming threat of the Upside Down. Dear Billy remains an emotional touchstone for fans who were deeply connected with Max and her grief.Season 5 of Stranger Things airs on November 26, 2025. The season finale is scheduled to air on December 31, 2025.Also read: Stranger Things Season 5: Millie Bobby Brown shares her “insane” ideas while filming final episodes