English: How many seasons of The Worst Witch have been released?
translation: 淘氣小女巫已經發行了幾季？
translation: 淘氣小女巫已經發行了多少季？
translation: 淘氣小女巫已經播出了多少季？
translation: 淘氣小女巫已經發行多少季了？