“Mom always liked you best”
The Smother's Brothers episode I liked was when he complained that his brother got a dog but he only got a chicken (I think). Then he smirks and says his chicken killed his brother's dog. Lot of sibling rivalry out there, enough to kill!
Why is it that I instantly knew where that was from? If I'm not mistaken it was shown in 1977 along with the (very brief) cartoon "Bambi meets Godzilla".