When John picks Olivia up to take her to the living room for the show after Jason wins the music contest, she is barefooted. But, she is wearing blue slippers when John puts her on the couch.
The episode takes place in 1933, but FDR's fireside chat heard on the radio didn't air until September 1936.
The episode is set in 1933, and yet the family is seen listening to "The Edgar Bergen-Charlie McCarthy Show" which didn't debut until 1937.
The episode is called the Easter story but takes place in February instead of April. Correction: The entire story leads up to Easter, the end of the episode is Easter morning.
At 33:42, the shot of John Walton is flipped horizontally.
The episode takes place in 1933 and yet there is a poster advertising the 1950 film Breakthrough (1950) hanging outside the theater where Jason auditions.