Aka：Радиоволна / Frequency - Il futuro è in ascolto / Fréquence Interdite / Frequência / Frekvencia / Frekans / 黑洞频率 / Frequency - livsfarlig frekvens / Frekvence / Livsfarlig Frekvens / Częstotliwość / オーロラの彼方へ / Φονική Συχνότητα / Frecvența vieții / 프리퀀시 / فرکانس / תדר גבוה / Alta Frequência / Fréquences / 黑洞頻率 / Prava frekvencija / Радіохвиля / Desafío al Tiempo / เจาะเวลาผ่าความถี่ฆ่า / 隔世救未來 / Dažnis / Пряко включване
Summary：An accidental cross-time radio link connects father and son across 30 years. The son tries to save his father's life, but then must fix the consequences.
