Season
- Season 3 2024-04-07
- Season 2 2016-10-06
- Season 1 2015-04-08
- Season 0 2015-06-17
Episode
- Episode 1: New Euphonium
- Episode 2: Triangle Syncopation
- Episode 3: Blue Prelude
- Episode 4: Etude with You
- Episode 5: Twilight for Two
- Episode 6: Wavering Dissonance
- Episode 7: Summer Fermata
- Episode 8: Melancholy Ostinato
- Episode 9: Dissonant Tuning
- Episode 10: Expressing Arpeggios
- Episode 11: Orchestra to the Future
- Episode 12: The Last Soloist
- Episode 13: Connecting Melodies
Sound! Euphonium Season 3
Spring in the first year of high school. Kumiko, a member of the brass band in junior high school, visits the high school brass band club with classmates Hazuki and Sapphire. There, she comes across Reina, her former classmate from junior high. Hazuki and Sapphire decide to join the club, but Kumiko can’t make up her mind. She recollects her experience with Reina at a competition in junior high school.
