Pay close attention to the scenes in 1888; they explain why the "Sic Mundus" headquarters looks the way it does in the 1920s.

By E07, the battle lines are clearly drawn between (who wants to destroy the world to end the pain) and Eva (who wants to preserve the cycle so her son can live). The episode highlights the futility that has defined the characters' lives: they are all "between the time," stuck in a state of eternal recurrence where every attempt to change the past only serves to fulfill it. Setting the Stage for the Finale

We see Jonas in the late 1800s, desperate to find a way back to his own time, slowly hardening into the man who will eventually become Adam .

As the second-to-last episode of the entire series, " Between the Time " serves as the bridge between the escalating chaos of the third season and the definitive series finale. While Dark is famous for its "knots" and "loops," this episode is where the viewer finally sees the internal machinery of how those loops were maintained for centuries. The Origin of the Cycles

Determinism vs. Free Will, Parental Sacrifice, and the "Bootstrap Paradox."

One of the show's biggest paradoxes—how Charlotte Doppler is her own grandmother—is finally visualized. We see the older Elisabeth and Hanno (Noah) together, and the eventual kidnapping of the baby that keeps the cycle spinning.