Credit: PBS

When True Blood star Rutina Wesley visited Sesame Street, she probably didn’t plan on meeting any vampires (the Count wasn’t around that day). But Tara Thornton’s real-life alter ego still managed to encounter some fellow vampires when she filmed a segment for the PBS show last June.

“My fangs are still growing in,” Elmo told Wesley, proudly baring his big toothless grin. The furry red monster and scene partner Abby Cadabby then presented the guest star with their best vampire hisses. (So faerie-vampires do exist.)

Wesley joined Elmo and Abby for Sesame Street‘s “Word on the Street” segment to teach kids about the word “plan.” Check out her guest appearance in the video below, then read on for more of EW’s details from the set.

The True Blood actress told EW that acting with puppets “was new for me. It’s a lot of fun, but sometimes you don’t know quite who to talk to. Do I talk to the puppet, or do I talk to the person?”

After stepping on set, Wesley started off by telling Elmo’s puppeteer, Ryan Dillon, that Elmo is her favorite Sesame Street character. Abby (puppeteered by Leslie Carrara-Rudolph) cut in, “I’ll pretend I didn’t hear that.” So Wesley quickly caught on to how life-like the Muppets are and how easy (and fun) it is to talk to them like they’re simply another actor. Here are a few other memorable exchanges from Wesley’s visit:

Elmo: “Can we be on the show?”

Wesley: “I’ll see what I can do. Let’s exchange numbers.”

Abby: “I’m allergic to blood. Is that a problem?”

Wesley: “It might be.”

Joey Mazzarino, Sesame Street writer-director (who clearly knows his True Blood): “Abby, there’s synthetic blood. It’s like lactose-free milk.”

Abby: “The word is ‘coagulate.'”

Elmo: “CO-AG-U-LATE”

Abby: “Or ‘clot.'”

Elmo: “That’s gross.”

Wesley’s appearance airs in this Thursday’s episode on PBS. Among the other celebs to visit Sesame Street this season are Hank Azaria, Henry Cavill and Ginnifer Goodwin.

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