The D&D Vortex
Sheldon meets William Shatner, leading to a D&D game.
"The D&D Vortex" is the 270th episode of *The Big Bang Theory*, serving as the sixteenth installment of its twelfth and final season. It originally aired on CBS on February 7, 2019, and features multiple celebrity guests portraying themselves, including William Shatner.
In the plot, Wil Wheaton brings William Shatner to his *Professor Proton* show to meet Sheldon, who becomes so overwhelmed that he vomits on Shatner. While apologizing to Wil, Sheldon discovers that Wil hosts a Dungeons & Dragons group with his celebrity friends, including Shatner. The guys learn that Stuart is secretly a member and pressure him into quitting. Wil then secretly invites Leonard, who finds the group also includes Shatner, Kevin Smith, Joe Manganiello, and Kareem Abdul-Jabbar. Leonard tells Penny, who shares the news with Amy and Bernadette—all three women infatuated with Manganiello. Wil kicks Leonard out, admonishing the guys for using him for his connections, and remarks that one of the worst aspects of celebrity is uncertainty about whether someone likes you for yourself. To make amends, the guys invite Wil to play D&D at Leonard’s apartment, but Wil—secretly already playing with Penny, Amy, Bernadette, and the celebrity group—politely declines, then allows the women to send the guys a photo of the event as payback.
Regarding production, William Shatner was approached to appear on the show “several years back,” according to a producer, who noted, “For one reason or another it didn’t quite work out, whether it was scheduling or whatever. But this time, coming into the final season, we knew we had a wish list of people we still wanted to be part of the show, and [Shatner] was at the top of our wish list.” The producer added that they reached out again, discussed the episode concept before a script existed, and believed Shatner wanted to be part of the show before it ended. The producer also mentioned that Shatner knew Kaley Cuoco from doing Priceline commercials together, and during their call, Shatner asked, “Will I get to play a scene with Kaley?”
The episode was watched live by 13.48 million viewers during its original broadcast. Vulture praised the episode, stating, “And this is the kind of episode I’d hoped we’d see in this run up to the series finale. Wheaton playing this 'delightfully evil' version of himself for the last decade has been pure fun, and the often cont
- Episode number
- 270th overall, 16th of season 12
- Original air date
- February 7, 2019
- Network
- CBS
- Live viewership
- 13.48 million
- Notable guest stars
- William Shatner, Kevin Smith, Joe Manganiello, Kareem Abdul-Jabbar
Lore & Background
In the episode, Wil Wheaton brings William Shatner on his Professor Proton show to meet Sheldon, who gets so excited that he vomits on Shatner. Going to Wil to apologize, Sheldon finds Wil hosts a Dungeons & Dragons group with his celebrity friends including Shatner. Discovering that Stuart is in the group and never told them, the guys make Stuart panic and quit. Wil secretly invites Leonard, who discovers the group also includes Shatner, Kevin Smith, Joe Manganiello, and Kareem Abdul-Jabbar. Leonard tells Penny, who tells Amy and Bernadette, all three women being infatuated with Manganiello. Because of this, Wil kicks out Leonard and admonishes the guys for using him for his connections, saying that one of the worst things about being a celebrity is not knowing whether someone will like him for himself. To apologize, the guys invite Wil to play D&D with them at Leonard's apartment, but Wil, secretly in the middle of a game with Penny, Amy, and Bernadette and the group, politely turns them down, before allowing the girls to send them a photo of the events as payback.
Reader's Guide
The episode features William Shatner, who was approached to appear on the show "several years back." A producer commented on his appearance: "For one reason or another it didn’t quite work out, whether it was scheduling or whatever. But this time, coming into the final season, we knew we had a wish list of people we still wanted to be part of the show, and [Shatner] was at the top of our wish list. So we reached out to him again, I got on the phone and chatted with him about what we were thinking about for the episode — at that point we didn’t have a script — but I think he felt like he wanted to be a part of this before it came to an end. I think what changed going into the final season is that he knows [series co-star] Kaley [Cuoco] from doing [Priceline] commercials together and they're friendly. When I got on the phone, one of the things he asked was, 'Will I get to play a scene with Kaley?'" The episode was watched live by 13.48 million viewers. Vulture praised the episode, noting that "Wheaton playing this 'delightfully evil' version of himself for the last decade has been pure fun, and the often contentious frienemyship between him and Sheldon is right up there with the other best Sheldon relationship on the show, the one with Penny."
Did You Know?
- The episode features William Shatner, who was approached to appear on the show 'several years back' but scheduling prevented it.
- Shatner asked producer if he would get to play a scene with Kaley Cuoco, whom he knew from Priceline commercials.
- The episode was watched live by 13.48 million viewers during its original broadcast.
- Vulture praised the 'delightfully evil' version of Wil Wheaton and the frienemyship between him and Sheldon.
The D&D Game as Narrative Engine
The episode's central conceit revolves around a tabletop Dungeons & Dragons session hosted by Wil Wheaton, which becomes the structural spine connecting every major character beat. After Sheldon's infamous vomiting incident on William Shatner during a Professor Proton appearance, the apology thread naturally leads the group into Wil's celebrity D&D circle. What begins as a simple make-up gesture spirals when the guys discover Stuart has been secretly playing in the group and pressure him into quitting. Leonard's subsequent infiltration reveals a roster of real-world icons—Shatner, Kevin Smith, Joe Manganiello, and Kareem Abdul-Jabbar—while Penny, Amy, and Bernadette all become smitten with Manganiello. Wil's explosive reaction to being used for connections, and his pointed remark about the loneliness of celebrity, gives the episode its emotional core. The resolution, where Wil is actually mid-game with the three women and politely declines the guys' invitation while allowing them a photo as payback, neatly inverts every power dynamic the episode had set up.
The Long Road to Shatner
Bringing William Shatner into the final season was not a last-minute decision. A producer revealed that the network had first reached out to the Star Trek and Boston Legal veteran several years earlier, but scheduling or other logistical issues prevented the appearance from materializing. As the twelfth and final season approached, the production team compiled a wish list of personalities they still wanted to feature, and Shatner sat at the very top. The producer personally called him to discuss the episode's direction—even though no script existed yet—and Shatner expressed a clear desire to appear before the series concluded. A notable factor in his renewed interest was his existing friendship with Kaley Cuoco, forged through their shared Priceline commercial work. During that phone call, one of Shatner's first questions was whether he would get to share a scene with her, underscoring how personal connections and the bittersweet finality of a long-running show's end combined to make the appearance happen.
Critical Acclaim and the Wil-Sheldon Axis
Vulture singled out the episode as exactly the kind of installment fans had been hoping for in the stretch leading to the series finale. The publication highlighted Wil Wheaton's portrayal of a delightfully evil version of himself as a source of sustained entertainment, and placed the contentious but affectionate rivalry between Wil and Sheldon alongside the Sheldon-Penny dynamic as one of the show's most compelling relationship threads. The critic emphasized that both pairings succeed because of the genuine chemistry among the performers, and noted that this particular delightfully evil Wil, along with Penny, belongs to the small circle of characters capable of genuinely matching Sheldon in a verbal exchange. This framing elevated the episode beyond a simple celebrity cameo vehicle, positioning it as a character study that leveraged the final season's emotional weight. The fact that the episode served as the penultimate installment of the entire run gave its themes of friendship, authenticity, and mutual respect a resonant closing note before the finale.
A Celebrity Ensemble and Cultural Moment
Airing on CBS on February 21, 2019, as the 271st episode in the show's history, The D&D Vortex assembled a remarkably diverse guest cast who all played themselves: William Shatner, Kevin Smith, Joe Manganiello, and Kareem Abdul-Jabbar, alongside the series regular Wil Wheaton. The episode drew 13.48 million live viewers during its original broadcast, a strong showing for a late-season entry in a long-running sitcom. Beyond the star power, the episode's thematic center was the experience of celebrity itself—Wil's pointed speech about never knowing whether someone approaches you for who you are or for what you can connect them to gave the episode a reflective, almost vulnerable quality. The D&D game served as a democratic equalizer, a space where a former child actor, a basketball legend, a filmmaker, and a Hollywood leading man could all sit at the same table rolling dice. This blend of pop-culture nostalgia, genuine celebrity interaction, and the show's signature ensemble humor made the episode a memorable capstone moment in the series' final chapter.
Frequently Asked Questions
What happens in the Big Bang Theory episode "The D&D Vortex"?
Sheldon's in-person meeting with William Shatner at Wil Wheaton's Professor Proton show goes hilariously wrong, and the group of guys ends up being pulled into a celebrity Dungeons & Dragons session hosted by Wil.
Who are the guest stars in "The D&D Vortex"?
William Shatner, Kevin Smith, Joe Manganiello, and Kareem Abdul-Jabbar all appear as themselves, joining Wil Wheaton at his D&D table alongside the main cast.
Why does Sheldon vomit on William Shatner?
Sheldon is so starstruck and overwhelmed by actually being face-to-face with Shatner on the Professor Proton set that he physically throws up on the actor, forcing an extremely awkward apology.
What is Wil Wheaton's role in "The D&D Vortex"?
Wil Wheaton plays himself, first bringing Shatner to his Professor Proton show and then revealing he organizes a D&D game with famous friends, which becomes the episode's central plot device.
When did "The D&D Vortex" air and how many people watched?
The episode premiered on CBS on February 7, 2019, as the sixteenth installment of the twelfth and final season, pulling in roughly 13.5 million live viewers.
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