A Christmas They Never Forgot - S8-E11
Continuity mistake: Every time they go outside during the blizzard, the keep talking about taking in wood, but yet the wood pile never changes throughout the whole show.
Little House on the Prairie (1974)
1 mistake in A Christmas They Never Forgot
Laura: I hate that Nellie Oleson.
Caroline: Laura! Don't say "hate" - don't even think "hate"! I'm sure Nellie has her good qualities somewhere.
Charles: Your ma's right, half-pint. Now on the way home, we'll try and think of some.
The Voice of Tinker Jones - S1-E11
Trivia: Sean Penn is in this episode, albeit with no lines, always wearing the same blue shirt. His father directed this episode.