A possible concise summary is:
Joseph feels sad because he doesn't have a family, so Junior draws him a paper family. Joseph pretends they are real and makes Chef Pee Pee cook for them. Junior kills off Joseph's grandma and baby brother to show him that paper can die. Joseph's paper parents disown him and leave. Junior tries to comfort him by saying he might get adopted someday. The video ends with a rap battle between two puppets.
Here are some possible facts extracted from the text:
1. Junior and his family like to say "put it in my bowl daddy" when they eat mac and cheese.
2. Joseph feels sad because he doesn't have a family and sees his friends eating with theirs.
3. Junior draws a paper family for Joseph to make him feel better.
4. Joseph's paper family consists of a dad named Bobert, a mom named Karen, a baby brother named Jacob, and a hot stepsister named Stacy.
5. Joseph's paper grandmother Babs dies after giving him kisses.
6. Joseph's paper baby brother Jacob drowns in the bathtub after Joseph leaves him alone.
7. Joseph's paper family disowns him after Jacob's death and leaves him alone again.