# ‘The Nerdvana Annihilation’ with John Shaffner

An episode of [The Official Big Bang Theory Podcast](https://invisiblenetwork.ai/podcast/1801207070), 23 Jun 2025, 43 min.

Audio: https://prefix.up.audio/s/mgln.ai/e/154/traffic.megaphone.fm/WMHY2348328517.mp3?updated=1777929567

Host Jessica Radloff is joined by “Big Bang” production designer John Shaffner to discuss the infamous “Time Machine” episode. John recalls his first reaction when he was told he would need to build a time machine. Then, Jessica shares Kaley Cuoco’s admission that this was the episode that made her “fall a little bit in love” with co-star Johnny Galecki. Find out when it happened! Plus, John reveals the secret “gum” wall located on set. Hosted on Acast. See acast.com/privacy for more information. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Shows are listed from Apple Podcasts' charts and directory, and Podcast Index where it is used. Every show and episode belongs to its publisher and plays from the publisher's own feed; this site hosts none of them.