: In true Sheldon fashion, he attempts to "armor" himself against physical harm by wrapping his body in bubble wrap .
The episode , titled "Jiu-Jitsu, Bubble Wrap, and Yoo-Hoo," features a storyline centered on Sheldon being bullied by a surprising neighborhood rival: Bobbi Sparks , the six-year-old sister of Billy Sparks. Episode Overview young sheldon s01e17 ddc