Within the Hour
A phrase often used in the show 24. Whenever something is going to occur "Within the hour" it means it's happening THIS episode and it to be taken seriously. Has roughly the same meaning when used in real life.
Person A: That does it. I'm going to his house and working things out. Violently.
Person B: When?
Person A: ... Within the hour.
Person B: OH FUC-
Person B: When?
Person A: ... Within the hour.
Person B: OH FUC-