r.j. mitty, who has cerebral palsy, playing walt jr. on "breaking bad." >> are they too tight?'re -- they're pretty shrunk. >> reporter: and steve wegg, who lives with muscular dystrophy, on the hulu comedy show "romedy." >> you don't really see people like me on television, or if you see someone who is supposed to be me, they don't look like me. and their stories are not truly what we go through. >> reporter: back on the farm in jersey, there's still work to be done. and mckenzie's made a promise to herself that she won't take roles that make her disability a punchline. >> eight as i got older and was offered roles in commercials, but like you're going to be playing an elf. it was just portraying that stereotype even further. it's not helping, that's hurting the community. i would not be able to sleep knowing that i contributed to that. and i know i'm privileged to be able to say that, i can say no to that. i'm proud of my consent. i like to tell myself that maybe someone in the back of their mind, the video will stick with them. >> reporter: it's just a 15-second video. but t