What If?

Underknown’s award-winning hit online series adapts perfectly into a long-form, lean-back experience. Backed by 36 million subscribers worldwide, What If? takes us on epic voyages, from inside the human body to the farthest reaches of the universe. Along the way, it answers the scientific questions that ignite our curiosity—and even those we’ve never thought to ask.

What If? is a multi-segment series that combines the very best viral hits from the award-winning social series into a single epic adventure."

Each episode poses a series of big questions related to a single topic, such as: What if the oceans evaporated? What if Earth stopped spinning? What if all ice melted? Throughout the episode, our iconic narrator explores these themes, uncovering surprising and fascinating answers from leading scientists.

Just like on social media, 'What If?' keeps you hooked with its signature storytelling style. Additionally, we've enhanced the episodes for broadcast by adding more action-packed moments and improved visuals to immerse the audience in the imagination.