The Classroom of the Black Cat and a Witch: S01E20
Finding the Diamond
Spica’s in the lead for now, but she needs to do more to stay ahead.
The Classroom of the Black Cat and a Witch episode 20 is titled “Finding the Diamond”, one of 24 episodes in the series. It first aired on August 23, 2026. This episode carries Japanese audio, with subtitles in Arabic, English, French, German, Italian, Portuguese, Russian, and Spanish. It streams in up to 1080p. Running time is about 24 minutes. Next up is episode 21.
1 - 1Black Cat & Spica Apr. 12, 2026
1 - 2Magic of the Zodiac Apr. 19, 2026
1 - 3The Magicians of the Zodiac Apr. 26, 2026
1 - 4Castor Gemini's Fate May. 03, 2026
1 - 5Spica and Aria May. 10, 2026
1 - 6Midterms May. 17, 2026
1 - 7Cross Magic May. 24, 2026
1 - 8Winter Camp Begins!! May. 31, 2026
1 - 9Bond of Flames Jun. 07, 2026
1 - 10The Attack Jun. 14, 2026
1 - 11Tarf's Purpose, Chiron's Resolve Jun. 21, 2026
1 - 12The Superior Magician Jun. 28, 2026
1 - 13Memories of Arcturus Jul. 05, 2026
1 - 14Maids at the House of Regulus Jul. 12, 2026
1 - 15Astraea's Troubles / Herbarium Book Jul. 19, 2026
1 - 16Io Taurus Gets to Work Jul. 26, 2026
1 - 17Finals Aug. 02, 2026
1 - 18Adventures on a Deserted Island Aug. 09, 2026
1 - 19Race for the Ruby Aug. 16, 2026
1 - 20Finding the Diamond Aug. 23, 2026
1 - 21Spica vs. Aria Aug. 30, 2026
1 - 22Aria's Dream Sep. 06, 2026
1 - 23Promising Upon a Starry Night Sep. 13, 2026
1 - 24The Forbidden Date Sep. 20, 2026