Dr. Baker proclaimed Nels' team as the winner of the tug-o-war. Nels clearly got pulled in first.
Although the show is definitely dated in the 1870s, the march that the band plays throughout this episode, the 'Washington Post March' by John Philip Sousa, was not written until 1889.
Jim Tyler said he made Hanson's the success it's become but this is the only time he appears.
When the family is eating, Mary is rubbing her right ankle and Charles mentions that she came down on it hard. However, when Mary was jumping rope, she landed wrong on her left ankle.
At around the 23:00 mark, Laura rolls her hoop into the barn. She tells her Pa that she helped Ma load the wagon, so now she's practicing (to beat Nellie). Less than a minute later, after Ma walks toward the house with her pies, Pa says, "Go help your Ma load the wagon." And Laura cheerfully replies, "OK!" - Like she didn't JUST say that they did that already.
Jim Tyler chided Charles for only being a farmer, yet Tyler is the one with the 'farmer's tan' in the shirtless backrub scenes.