Dorothy asks rose if she ever had to do a eulogy at a funeral. Rose answers only once. But in episode Nothing to Fear, But Fear Itself (1987) she had been asked to give one at her aunts funeral, also she has a phobia about public speaking which is not mentioned in this episode.
After Angela leaves the living room with the check, Dorothy stands up and slams the photo album down on the coffee table. The sides of the album are in line with the corners of the table, but in the next shot, the album is lying on the table at an angle.
At the funeral, Phil's widow, Angela, states that she was just promoted to head makeover artist in the cosmetics department. In "A Little Romance", however, Sophia states that Phil's wife Angela is a welder. Angela could have switched careers in the five years between that episode and this.
When The priest walks around the coffin looking into the casket, when looking through the flowers you can clearly see there is nothing in the casket at all.
Considering they are burying their brother Phil, it is strange how their sister Gloria is not present at the funeral.