Kaley Cuoco's alternate Penny cameo in Stuart episode 2
In Stuart Fails to Save the Universe Episode 2 on HBO Max, Kaley Cuoco cameos as an alternate Penny: a guerrilla resistance leader, not the Cheesecake Factory waitress. Co-creator Chuck Lorre says the 8216stuart fails save the multiverse twist was designed so Big Bang Theory characters return with totally new backstories.
Key Takeaways
- Kaley Cuoco appears near the end of Season 1 Episode 2 as a resistance-leading alternate Penny.
- The episode, titled "Spoiler: Zack's In This One," is now streaming on HBO Max.
- Chuck Lorre says the multiverse lets original cast members play wholly new versions of themselves.
- Christine Baranski, Riki Lindhome, and Brian Thomas Smith also appear in Episode 2.
- After bots raid Penny's hideout, the trio jumps to yet another universe.
What happens in the Kaley Cuoco Penny cameo?
Episode 2 of Stuart Fails to Save the Universe packs in guest stars, then saves its biggest The Big Bang Theory callback for late in the hour. Stuart (Kevin Sussman), Kripke (John Ross Bowie), and Bert (Brian Posehn) land in a calmer Pasadena than the apocalyptic world they just fled—one where a neck device shocks anyone who argues or gets angry.
Denise (Lauren Lapkus) did not travel through the wormhole, so Stuart goes looking for her and finds her with new beau Gary (Tommy Walker). Hoping to reach Sheldon and Leonard, Kripke and Bert head to Caltech, where an unhelpful receptionist played by Riki Lindhome—originally Dr. Ramona Nowitzki—helps land them in police custody with Stuart.
They spend thirty months in a reprogramming facility watching a video hosted by Christine Baranski playing herself. Once released, a resistance group kidnaps them and brings them to a warehouse led by Penny (Cuoco). This Penny is a slap-happy guerrilla soldier, with Denise and Penny's ex-boyfriend Zack (Brian Thomas Smith) also on hand.
Why did producers cast Cuoco as an alternate Penny?
According to Variety, co-creator and executive producer Chuck Lorre framed the cameo as a creative challenge for returning Big Bang Theory cast members. "Kaley's not playing the server in the Cheesecake Factory. It's still Penny, and now she's a badass guerrilla leader," Lorre said.
He added that the multiverse design was there from the start so characters could recur as themselves with entirely different backstories. On the original series, which ran from 2007 to 2019, Penny moved in next door to Leonard and Sheldon and later married Leonard—a familiar arc this alternate version deliberately flips.
What does Episode 2 set up next?
Authoritarian bots that control human emotions discover Penny's secret hideout. Just in time, Stuart, Denise, Kripke, and Bert fire up the Leonard, Sheldon and Howard quantum interference device and jump again. Variety notes the next stop looks set to get a little magic.
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