The intensity of the close bond between the Winchester brothers inspires envy, awe, admiration, longing and even suspicion in outsiders. A series of stories told by individuals after unforgettable encounters with Sam and Dean.

Season 9: Sam didn't have a problem sharing the bunker but sharing his big brother was another matter entirely. Tag to 9:02 and definitely Pre 9:03. Spoilers up to 9:02.

On the darkest days, Dean would remember Sam saying "It's no fun when you're not around" and he would fight to hold. Pre-Series. Warning: mental health issues.

Season 8 Finale Tag: One thing has never changed; when Sam is sick he needs his big brother. Spoilers for 8:23, "Sacrifice".

Pre-Series: Dean had seen Sam freak out in storms before, but this time, the kid was bordering on a meltdown.

When Sam tries to cover up what Dean suspects is a serious medical condition, Dean starts to snoop and finds out more than he can handle. Set in Season 1. #5 in the Bicycle Verse.

Season 8: Sometimes, Sam feels like he's regained Dean's trust; but deep down, he's scared that might be too much to ask for. Spoilers up to 8:19, "Taxi Driver". Written for the Jedi Sapphire/Scribble2Much fic exchange. Companion piece to "A Heart to Ache or Swell".

Dean pretends he has nothing to hide, but he has secrets he'll never tell anyone, especially not Sam. Companion piece to "Deep Dark Secrets".

Season 8: The trials were also taking a toll on Kevin, but he didn't have a big brother.

Season 8: There was always a chance that Benny wouldn't make it out of Purgatory, but with Sam's life on the line, Dean was willing to take that risk. Missing scene from 8:19 Taxi Driver.

Season 8: Batcave!Fic. Dean is thrilled to have his own room; Sam, not so much.

Season 8: He always knew his brother belonged with the best of the best. A little brotherly bonding from "the Batcave". One shot, Tag to 8:13, "Everybody Hates Hitler". Spoilers up to 8:13.

Season 8: "The only person that hasn't let me down is Benny." Sam reacts to Dean's assertion. Spoilers up to 8:05 "Blood Brother"

Just when Sam is finally coming to terms with Jessica's death, a call from an old Stanford friend sends him on a downward spiral, threatening the bond he's rebuilding with Dean. Set in Season 1 after 1:6, "Skin". #4 in the Bicycle Verse.

There are some things Sam can't tell anyone, not even Dean. Inspired by PostSecret. Companion piece to "The Awful Truth".

Sam didn't realise how much the nickname meant to him, until Dean stopped using it. Set in Season 7, after 7:14 PPMM.

In the end, it came down to a single bullet. One shot and it was over. And now came the reckoning, brother to brother. Tag to 7:13 "The Slice Girls". Spoilers for 7:13.

Sam is injured but furious when Dean wants to take Cas on a demon hunt instead of him. Dean gets back from the hunt and has to contend with a sick, jealous, insecure Sam whose behaviour is getting irrational. Set in Season 4.

Dean comforts Sam as the memories of hell threaten to take him over. Traumatised!Sam, Protective!Dean. Set right after 7:01.

Sparks fly as Dean & Sam deal with the new dynamics in their relationship when they reunite after Sam leaves Stanford. It gets even more complicated when Sam is injured on a hunt. Hurt!Sam. Protective!Dean. Set in Season 1. #3 in the Bicycle Verse.

10-yr-old Sam wanted to be rid of his rival for his brother's attention but he never meant for Dean to get hurt; and thanks to his little brother's meddling Dean finds out the hard way why hunters should never fall in love. One-shot. Pre Series.

Sam knows Castiel's betrayal will hit Dean hard and he's determined to be there for his brother; but the current crisis brings up conflicts from their past. Tag to 6:20. Spoilers for 6:20

Watching Sam suffer with a debilitating migraine brings up bad memories for Dean and unresolved issues between the brothers. Sick!Sam Worried!Dean. Brotherly angst. Set in S1 after 1:12 "Faith". #2 in the Bicycle Verse.

Sam is sick for the first time since reuniting with his brother. Dean isn't sure if it's still his job to take care of him and Sam isn't sure he should ask. Set in Season 1. #1 in the Bicycle Verse.

"What do you want Dean? A life of one night stands while you're passing through dead-end towns and then saying goodbye to some faceless woman the morning after on the side of the road?" Tag to "Route 666".

Sam has always been the person Dean trusts the most with his life but now Sam feels like he's been replaced by Castiel. Insecure!Sam. No spoilers.

"Their complicated history fostered a bond that seemed 'tangled up' and 'crazy' to everyone but them". Dean isn't in the mood to talk, but Sam gets him to open up about his fight with Lisa. AU. Alternative scene for 6.06. Small spoiler for 6.06.