Notas del episodio
I read from dead to dead.
Supposedly there are at least 573 dead languages:
https://www.ilstranslations.com/blog/understanding-extinct-languages-when-and-why-they-die-off/
The very important information about when tennis balls die:
https://tenniscreative.com/how-long-do-tennis-balls-last/
"Bring Out Your Dead" from "Monty Python on the Holy Grail".
"dead, Dead, Dead" from "South Park"