When Rose remarks that Dorothy is up early, a brown lunch bag is visible on the kitchen counter. When Blanche comes in the kitchen, the bag is gone and Dorothy can be seen packing her lunch. In the next shot, the bag is back on the counter.
A revealing mistake in the script for this episode is that Dogs cannot metabolize alcohol, it can cause severe poisoning, Therefore a dog drinking alcohol would poison it, and would cause severe sickness for the animal.
When Blanche is apologizing to Dorothy, she says "OK, I forgive you." You can see the boom mic to the top right hand side of Dorothy.