Critics generally praised the episode for finally delivering on the show's "tremendous concept and source material".
A Feast of Art – Blue Period Ep 3 & 4 Review - In Asian Spaces
: While the show remains fast-paced, this episode was lauded for managing its time well and delivering a "fantastic product".
: Despite his growing obsession with art, Yatora's delinquent friends make a surprise appearance, serving as a reminder of his life outside the studio. Critical Reception
: Yotasuke Takahashi, a prodigy whose skill initially intimidated Yatora, decides to quit the cram school. His frustration with formal instruction highlights a core theme: that while school helps many, some artists find success by forging their own path outside a rigid curriculum.
“I believe that Blue Period Episode 4 was the best episode of the show so far and the first to make good upon the promises of the show's tremendous concept and source material.” Leisurebyte · 4 years ago
: Driven by the rivalry with Yotasuke, Yatora produces his second truly emotive painting. Reviewers from Anime News Network noted that this piece felt superior to his previous work because it originated from intense feelings rather than just technical proficiency.
: Some critics felt the background music was lacking and that the animation quality didn't always meet the high standards expected of an anime specifically about art.