CES 2023 brought 118,000 people to Las Vegas in a celebration of innovation. Alongside an impressive list of tech leaders, the press and conference programs featured superstars from the worlds of entertainment, hospitality, sports – and even a pair of astronauts who joined a panel discussion live from space. Check out the videos below to see seven of our favorite sessions featuring out-of-this-world celebrity appearances. José Andrés, Chairman & CEO, José Andrés Group watch time: 23:32 While he initially made his mark as a pioneer of Spanish tapas in the US, celebrity chef José Andrés is now equally recognized as a humanitarian, thanks to the world-wide disaster relief work of his NGO, World Central Kitchen. Find out which technologies help WCK get food to the people who need it most. LeVar Burton, Actor, Director & Educator watch time: 41:38 From Roots to Reading Rainbow to Star Trek: The Next Generation, this multi-talented, multi-award winner has been a television icon since the 1970s. Now, with his wildly successful podcast, LeVar Burton Reads, he’s making a mark in a new industry. But you don’t have to take my word for it! Hear his thoughts on the medium’s power to connect creators with audiences. Nicole Mann & Frank Rubio, NASA Astronauts watch time: 38:01 Where else but CES could you start your morning with a panel discussion that includes a pair of astronauts floating in the International Space Station? Check out this session to learn about how work on the ISS is improving life back here on Earth. Jessica Mendoza, Olympian & ESPN Analyst Grant Hill, Vice Chairman, Atlanta Hawks watch time: 40:57 It’s an unavoidable fact: we all age. Not even Olympic gold medalists like Jessica Mendoza and basketball legends like NBA hall of famer Grant Hill are immune from the effects of time. Thanks to advances in sports data and technology, older athletes are now empowered to improve their performance and recovery. Find out how. Kal Penn, Actor & former White House staffer Nathan Chen, Figure Skating Champion watch time: 46:08 On his journey from White Castle to the White House and beyond, Kal Penn has been an actor, an educator, an author and a policy wonk. In this session, see him – and Olympian and national champion figure skater Nathan Chen – take the stage at Panasonic’s press conference to speak passionately about climate change. Seth Rogan & Lauren Hill Rogan, Co-founders, Hilarity for Charity (HFC) watch time: 35:59 Maybe you recognize him from his early work in Freaks and Geeks, as the voice of Mantis in the Kung Fu Panda series or as the bestselling author of Yearbook, but you may not know that Seth Rogan is also co-founder (alongside his wife, Lauren Hill Rogan) of Hilarity for Charity, a non-profit that helps families who are experiencing Alzheimer’s disease. The Rogans describe their family’s own caregiving journey during this conversation with AARP CEO Jo Ann Jenkins. Arnold Schwarzenegger, Actor & Former Governor watch time: 55:37 Whether you think of him as the Terminator or California's Governator, The Arnold has been a fixture in popular culture for more than half a century. This year, he joined BMW Chairman & CEO Oliver Zipse on the CES keynote stage to introduce the BWM i Vision Dee. Watch more keynotes and conference sessions from CES 2023, or check out our CES Tech Talks podcast.