Tap the chips at the top of the Timeline: Unplayed, All or Downloaded.
- Unplayed (the default) shows only episodes you haven't finished.
- All includes ones you've played.
- Downloaded shows only episodes saved on this device.
Castria remembers your choice on this device. The Timeline lists the newest episodes first. You can pick another order from ⋯, but it only rearranges the episodes already loaded. To go through a show from the beginning, see How do I listen to a show from the beginning?