Stirring nostalgia among “The Big Bang Theory” fans, actors Mayim Bialik and Jim Parsons revisited a playful “tiara” moment from the popular sitcom, hinting at a throwback to Amy and Sheldon’s wedding rehearsal with a cheeky clue. 

Mayim Bialik, who played Amy Farrah Fowler in The Big Bang Theory, took to Instagram to share a picture with Jim Parsons, who essayed the iconic role of Sheldon Cooper. In the image, the actress is seen wearing the memorable tiara, which her character received from Sheldon.