Tag to 5x22, Swan Song. Three different ways Sam might have appeared on the sidewalk outside Lisa's, and one way he did not. Some horror imagery, rated T to be safe.

Tag to the end of 7.06 – Slightly Hurt Sam / Worried Dean – As he approached their motel room, Dean felt relief because at least Sam was home; but also panic, because why was blood on the door?

Codas to different parts of 7x02. And speculation on 7x03. Four scenes. Beginning masochistic!Sammy in one part and general mental instability.

Sometimes there's nothing Dean can do to help his brother back. All he can do is be there. Post 6x22.

Sam's a bit out of touch since the wall fell, tangled and jumbled. Being around Dean lets him stumble back into reality now and again.

Post-wall the boys take hunts when they can, but they've made their home base at Bobby's house. Sam has a string of good days that lull Bobby and Dean into a false sense of security.

The moments following 6x22. Sam attempts to hold onto reality, Dean tries to hold onto Sam, and Bobby tries to keep them all from falling apart.

The moment Dean became the wall between his brother and absolutely everything else. Pre-series.

Post 6x22. Dean and Bobby take care of a wrecked Sam while avoiding an amped-up new god.

The wall fell and Dean's left trying to help Sam through while his brother stumbles through delusions and hallucinations.

Season 6. Unbalanced!Sam. Dean just wants Sam to get better. Sam just wants Dean to be happy.

The wall's coming down slowly and taking Sam with it piece by piece. Dean stands by his brother and steals every moment he can.

Even when Dean can't understand Sam, he knows he's there.

The wall in Sam's head has broken, but he's trying to fight his way back. Cas can't help, but he can be there, which is all either brother could ask for.

Dean holds Sam after another seizure, talking of promises and endings.

Post 6x11. Sam's back and working with Dean again, but he knows there's something his brother's keeping from him about his return. He talks about it with Castiel.

Post 6x11. Unstable!Sam. Sam may get lost, but Dean always finds him. Allusion to Powers!Sammy.

Post-6x11. A hunt after and a little conversation between brothers during a patch-up. Sam's still not too good with words, but he knows what he's trying to say.

The walls not broken, but the cracks are showing. Season 6 spoilers. Unstable!Sam

Coda to 6x11. What happened after the screen went black and Sam stopped screaming.

Season 6 spoilers. Castiel needs Dean to understand what his actions could do to Sam.

Season 6 spoilers. Even if Sam doesn't want it, Dean knows what's best for his little brother and he'll see him through the fallout. Unstable!Sam.

All that time in the Cage…didn't they know? Nothing ever comes back right. Unstable!Sam

Season 6. Sam couldn't be 'okay' forever. And when the dam broke, it broke. Unstable!Sam

Post 5x22. Time flows differently in Lucifer's cage than it does in Hell. Sam's out and they're hunting again,but something's wrong with little brother.