Which episodes (without a main storyline) do you like to watch the most?

Which episodes do you guys love to watch? Apart from the ones which have a main event happening? I personally love

The egg salad equivalency - it’s so funny, the “you’re a slave” always makes me laugh, the way penny gets jealous of alex, the whole HR scene is so fun.

The 43 peculiarity - I love the whole scene where howard and raj try to find out what sheldon is doing, and penny saying I love you for the first time is adorable.

The tenure turbulence - the scene where they stand outside the office always cracks me up