# The Fox (What Does the Fox Say?)

> A Norwegian comedy video became a US No. 6 single and a picture book.

- Owner: Ylvis
- Kind: Music
- Sector: Entertainment
- Seed date: 2013-09-03
- Peak date: 2013-10-11
- Spread Score: 36 (Niche, provisional), v1.2
- Mechanics: Platform jump, Press loop, Response chain

## Summary

Ylvis released a comedy music video for their Norwegian television show. It spread into reaction videos, a Fox network promo and US television appearances, reached the US Top 10, and crossed into illustrated publishing.

## Timeline

- 2013-09-03 — Ylvis / TVNorge (YouTube) — The final music video went online to promote Ylvis’s television show.
- 2013-09-06 — The Guardian (Press) — The Guardian covered the video’s international spread.
- 2013-09-17 — Fox (TV) — Fox unveiled a network promo set to The Fox.

The full timeline, metrics and sources are on the case page, or via the Pro API (https://howitspread.com/developers).

Canonical URL: https://howitspread.com/cases/ylvis-the-fox

Cite as: How It Spread (2026). “The Fox (What Does the Fox Say?).” Case HIS-01020. Spread Score v1.2: 36/100. Updated 2026-10-15. https://howitspread.com/id/HIS-01020