Explained – Season 1
Can we uncover the secrets to extending the human lifespan? Experts discuss how developments in science -- even the French lilac -- hold some clues.
Kristen Bell
Narrator (voice)
Barack Obama
Self (archive footage)
Gal Gadot
Self
Ian Fisher
Leonard Hayflick
22 May 2020
18 Jan 2017
02 Jan 2020
10 Jul 2020
26 Aug 2020
14 Oct 2018
13 Oct 2026
19 Apr 2014
21 May 2021
08 Apr 2026
11 Aug 2026
01 Dec 2023
28 Feb 2024
14 May 2025
17 Jan 2016
26 Jan 2018
02 Apr 2020
07 Oct 2022
21 Apr 2017
29 Nov 2022