'Tension' — The hutch does not have curtains.  In 'Hostages to Fortune' — Lucas looking for his bottle of whiskey.  Notice the curtains on the hutch.  Also if you check episodes 'The Journey Back' & 'Outlaw's Inheritance' there are no curtains — 'Mark's Rifle' & 'I Take This Woman' —again we have curtains
In 'Deadly Image' — Mark gets the whiskey out of the kitchen cupboard—do they kept it in the hutch or the cupboard?  Cowgirl

On Tension, Episode 45, there is a time blooper.  The young outlaw says the crime on the poster happened in 1871.  He has been looking for Sid for seven years which would make the year be 1878.  Lucas also tells his brother and dad he buried his wife seven years ago. They built their house in 1881 when Mark was 10 making Mark be born in 1871.  How can Mark be born in 1871 and be 10 or 11 years old in 1878?  Also, he always says Mark was six when his mother died, but now this would make him be three or four when she died.  The writers should have kept up with the dates.  I guess they didn't think folks would notice.  Thanks Gloria!