One of the best acting displays/best written lines

During the test dream at dinner with Finn’s parents I always thought gandolfini had one of the most realistic portrayals of all time when he smiled so proudly saying “I thought so” after Finn’s mom confirms she’s Annette bening.

The way we all perk up when we make these little observations ie “hey that guy arguing about Columbus and Hitler in the sopranos was one of the gay street thugs in Seinfeld! (Looks it up) See, I told you!” was perfectly displayed.

To me, it’s those little moments that make sops #1 all time. What are some other lines like this that separate it from other top dramas?