noun
TV/radio program reshuffling season
Refers to the period, typically spring and fall, when broadcasters replace or rearrange their program schedules.
改編期には、新番組がたくさん始まる。
Many new programs start during the reshuffling season.
春の改編期で、好きなドラマが終わってしまった。
My favorite drama ended because of the spring schedule change.