Brian cuts the telegraph wire. It is unclear where he found the wire cutters so quickly.
Brian uses a ladder and wire cutters to stop the telegraph. It is unclear how he obtained the ladder and wire cutters so quickly.
Dr. Quinn sends Colleen to the recovery rooms of the Clinic to fetch bandages. It does not make sense that Dr. Quinn would have all her bandages in the recovery rooms and none in the operating and exam room.
Dr Quinn is alarmed that Brian climbed a ladder. During the horse race episode, Brian climbed a ladder in the barn. She was not concerned then.