Identifies his gun as a Colt and Teaspoon comments that it's hung 'mighty low' on his hip.
Falls off his horse the first time he tries to catch the mail bag and immediately starts a fight with Cody who threw it to him.
Quick draws on some cans on top of a fence, impressing the other riders.
Buck says of Jimmy, "You're even crazier than we thought."
Jimmy insists on hanging the men while Kid tells him they're taking them to the law.
"I've been called a lot of things in my life, Emma, but never good."
Eager to use the Beckwith Volley guns, Jimmy stands while shooting and doesn't realize the 'kick-back' they have until he's knocked back on his backside.
Says Emma's better off without her memories.
Jimmy stares at a picture of a woman [his mother], then has a nightmare of a man abusing her as she yells to a young Jimmy, "Get away Jimmy!"
Jimmy's primary mount is a Palomino.
Says, "Sorry is somethin' I only do on Sundays."
Becomes irate when a gunfighter insults his mother.
Accepts a challenge from the gunfighter, Longley, but Kid punches him out before he can duel.
Hyperventilates and passes out in the sweatlodge.
After she asks him to, Jimmy agrees to apologize and tells Emma, "Never do somethin' like this to me again, Emma."
Jimmy kills Longley after a little boy, Sam, tells him that if Jimmy doesn't kill the man who shot his father, when he grows up, he'll do it himself.
Speak No Evil
Does not want to leave Cody alone against Nickerson's men but relents when Cody tells him that Cody's better at shooting distance.
Gloats when Kid tells Jimmy he's the best shot.
Shows his feelings for his friends once again by telling Kid to 'take care'.
Shows his temper and willingness to fight when he tells Nickerson, "If the law don't get ya, I will."
Home of the Brave
In town with Cody, Lou and Buck, Jimmy replies to Cody's comment, "It only takes a minute to fall in love" with "And only half that time for you to mess it up."
To defend Buck from Tompkins throwing Buck out of the store, he starts a fight with two of Tompkins goons. After it's over, he tells Tompkins, "The next time you say somethin' about one of our friends, we'll get real mad."
Jimmy confronts Buck after his friend returns from helping Kid and asks Buck who he met with the previous night. When Jimmy finds out Buck met with his half brother, a Kiowa war chief, Jimmy says, "How 'bout that, I thought he was one of us." He then follows Buck into the bunkhouse and gets upset with Buck who hasn't told any of them about meeting with his brother. Jimmy tells him he needs to pick a side and, after some more back and forth, Jimmy takes Buck by the shoulders and throws him down on his bunk, where Jimmy continues to fight with his friend. After being pulled apart by Kid and Cody, Jimmy points at Buck and yells, "I ain't bunkin' with him!"
After Teaspoon talks to the boys later that night, Jimmy says quietly that Buck can come back if he promises not to snore.
Is genuinely emotional to see Ike so injured. He even spoon feeds him broth and we see his hand shake as he moves the spoon to Ike's mouth.
Jimmy's reputation as a 'shoot first, ask questions later' kind of guy is mentioned again when Kid responds to Jimmy's "I did okay today" by saying, "Yeah, you didn't shoot nobody today."
He and Cody disguise themselves in ponchos and sombreros and Jimmy uses a mild Mexican accent.
He finds out Lou's secret after Louise outs herself to Boggs.
He's relieved to know Lou is a woman because he's caught himself looking at her 'that way' a few times. Says Lou is the 'best lookin' boy he's ever seen'.
Ten Cent Hero
After taking on Gabe Calder, Sam tells Jimmy, "You handled yourself well Jimmy but this could be the beginning of a whole new kind of hell."
A Good Day to Die
End of Innocence
While talking to Sarah, Jimmy identifies his mount as a 'he'. Thanks to Lou's planning, Jimmy later meets Sarah at Byer's Lake near to town. Falling in love with Sarah he tells her of his past, listening to his mother as she cried herself to sleep at night from the beatings his father gave her. (This is very different from the real history of Wild Bill). Later she would show him bruises and say her husband gave them to her.
Determined to rescue Sarah from the abuse, Jimmy goes to her house to take her away and exchanges fire with someone. Later he finds out that he probably shot Sarah's husband. The Downs' hired hand starts to lie about what happened and Jimmy is soon on trial for murder.
Another man in the cell next to him mentions that Sarah and the hired hand are actually married... how does he know? Because he married them. Lou and Kid ride off to get proof that Sarah isn't what she says she is.
Jimmy is convicted of murder and sentenced to hang. He still loves Sarah and is angered when Emma and the others try to convince him of Sarah's deception. As he's being led to the gallows he looks for any sign of Lou and Kid. Nothing. Right before the level is pulled, the riders stage an 'escape,' but before Sam has to consider stopping them, Lou and Kid ride in firing their guns for attention.
Sam listens to the impromptu evidence, and pronounces Jimmy free. They head out after the hired hand and Sarah and bring them to justice. Jimmy still professes to love Sarah but she sets him down hard before she's taken out of town on the stagecoach.
Fall From Grace
Lady for a Night
Helps Rachel Crowley work her mine after her husband is murdered.
The Man Behind the Badge
Then There Was One
Born to Hang
Pride and Prejudice
Comments that he 'never understood Tompkins hate until today'.
Requiem For a Hero
Star Light, Star Bright
The Play's the Thing
Jimmy gives Lou a friendly ear listening to her worries over Kid. She rewards him with a hug that takes him by surprise.
When Kid goes on a run he tells Jimmy to "stay away from Lou"
Bringing back new horses, Jimmy pulls Lou out of danger from startled horses and helps her into the bunkhouse.
Later Kid demands something back from him and Jimmy tells him he doesn't know what it is and then that he 'ate' it. Kid knocks him down with a punch.
After figuring out that this is about Lou he gets into the fight and when they're both on the ground Daisy gives Kid the bag he's been looking for
Jimmy's helping Kid up and answers that he learned about fighting by watching Kid. When Kid says it's good that he didn't learn the left. Jimmy knocks Kid back down with a left and walks away.