‘The Nerdvana Annihilation’ with John Shaffner

from The Official Big Bang Theory Podcast · host HBO Max

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

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This episode is 42 minutes long.

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This episode was published on June 23, 2025.

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