There was a flood while filming the pilot and it washed away most of the props.
Joe Lando's favorite episode.
After the Pilot finished, executive producers and the network wanted a more youthful appearance with the series regulars for their targeted viewing audience of ages 18-34. So, a full recasting was done, with the exceptions of Myra, Hank and Sully. Hence, the series opened Season 1 with many new faces. Additionally, a few Pilot actors were already contracted with other projects, but commissioned to help kick off the series, including Diane Ladd.
Dr. Quinn's homestead was built by Byron Sully for his late first wife, Abigail Sully.
Dr. Quinn came to Colorado Springs after answering an ad in their newspaper looking for a doctor. She signed it as "Michaela Quinn." However, telegrapher Horace Bing thought it was a typo and was supposed to say, "Dr. Michael A. Quinn."