I once again went to my trusty tupperware container and pulled out four more episode titles and put my thoughts on each.What are your thoughts on the following episodes?  Is it a scene, a moment, a line or song?  And why? It is your favourite or is it the emotional impact it has on you?  Maybe it simply makes you laugh or hide under the covers.
"Provenance" "“ I have two moments I just love with this episode.  Firstly the expression of both Sam and Dean when they first enter into their motel room with the disco motif.  Secondly when Sam and Dean scale the museum's fence. My chin hit the floor with that one. Purely a shameful fangirl moment for me. 

"Yellow Fever" - I have two that stand out for me with this episode. First is the clicking of the Yorkie's feet hitting the pavement as she chases after Dean. That sound had me giggling like an "Idjit'.  The other is when they first arrive at the Old Mill and go to the trunk of the Impala to get the necessary equipment. Sam hands Dean the gun. Dean response with "Oh, I'm not carrying that. It could go off. I'll man the flashlight."  Dean looked like a little boy all so proud. Meanwhile Sam gives the reply "You do that', while trying to be supportive, he can barely hold back one of his famous bitchfaces.
"Death Takes A Holiday" - This episode had so many memorable moments. The loss of Pamela was so tragic and her warning to Sam. I loved ghost Dean putting his hand through a very uncomfortable ghost Sam. But the scene that stands out the most for me was watching Cole teaching the boys to touch, move things and fight as spirits. Dean's face when Cole was able to disappear and re-appear was priceless.

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"Dead Men Don't Wear Plaid" "“ With this one it was when Dean is outside at Bobby's, standing guard by the Impala. Suddenly Karen appears and convinces Dean to go inside for a sandwich. I loved that whole conversation between the two:

Karen "I know you don't trust me."
Dean "Why would you say that?"
Karen "Come on Dean, that's why you're here isn't it? Keeping an eye on me. I know who you are. Just like I know Bobby is not the same mild mannered scrap dealer I married. You hunt things. I'm a thing. I get it."
Dean "So you know Sam and I would never let anything happen to Bobby. He's been like a father to us."
Karen "I understand and he's lucky to have you looking out for him Dean. But you're not the only one."
Karen tells him that she remembers what had happened to her when she was possessed.
The guilt she sees in Bobby.  How she couldn't tell Bobby she remembered
"He's my husband. My job is to bring him peace not pain.'
It was such a touching scene.