The images in the introduction montages have been updated. The wedding train image is now followed by an image of Sully and Dr. Quinn with baby Katie under a tree.
When Sully and Dr. Quinn are starting their ride, Sully asks if she wants to go fast. It has been a long time. This is an inside joke. Jane is returning to work after a hiatus and just had twins.
The East Fork Reservation that Cloud Dancing is being returned from was in Arizona.