It's Apparent to Everyone - S8-E6
Continuity mistake: When Russell and Olivia leave, a stuffed animal appears on the table by the truck. When Clair comes in the stuffed animal disappears.
Continuity mistake: Clair comes into the kitchen and puts some bags on a chair. The next time they are seen they have changed position.
For Men Only - S8-E9
Continuity mistake: When Russell is teaching Olivia and her friend how to play "pick up sticks," part way through the sticks at the end of the table close to Olivia disappear.
Continuity mistake: When Vanessa and Dabnis are talking, Vanessa sits down and takes off her coat - it falls down behind her. For the rest of the scene the coat appears and disappears on the chair behind her.
Continuity mistake: At the end of this episode, when Clarie enters the kitchen and closes the doors behind her, they are left a bit open. They remain open while Vanessa and Dabnis also enter the kitchen to say goodbye. When they leave and Clarie asks Cliff something, the doors are now completely closed.
Eat, Drink and Be Wary - S8-E16
Continuity mistake: This episode was obviously filmed before the kitchen was re done, but was aired after that.
Continuity mistake: Rudy takes the coat from one of the kids and puts it on the back of the chair Cliff is sitting on, at one point it falls off, it then reappears behind him, then moves to the table next to him.
Continuity mistake: At the beginning of the episode Cliff starts to cut up the sleepover treat, a couple of shots later Olivia's friend says "I knew we should have done this upstairs" - it is now uncut and Cliff starts cutting it again.
Chosen answer: That is the song "Open the Door Richard."