The duration of That Certain Age is 1.58 hours.
The duration of Men of a Certain Age is 2580.0 seconds.
The duration of That Certain Thing is 1.15 hours.
The duration of Certain Fury is 1.45 hours.
The duration of That Certain Something is 1.5 hours.
The duration of A Certain Mister is 1.5 hours.
The duration of Certain Chapters is 300.0 seconds.
The duration of A Certain Sacrifice is 3600.0 seconds.
The duration of Be Your Age is 1320.0 seconds.
The duration of A Certain Young Man is 3480.0 seconds.
The duration of This Modern Age is 1.13 hours.
The duration of The Stoned Age is 1.58 hours.
The duration of This Mechanical Age is 600.0 seconds.