: The episode also mentions that Amy wears a silver medical ID bracelet because she is allergic to penicillin; she notes that it is her favorite piece of jewelry.

Watch the iconic moment when Sheldon presents the tiara to Amy: Sheldon Bribes Amy With Jewelry | The Big Bang Theory Big Bang Theory YouTube• Aug 31, 2024

: Mayim Bialik’s ecstatic reaction to seeing the tiara was reportedly ad-libbed, making the moment one of the show's most memorable.

The primary "piece" featured in The Big Bang Theory episode (S5E12) is a tiara .

After Sheldon trivializes Amy's career achievement (having her paper published in the prestigious journal Neuron ), Penny takes him to a jewelry store to find an apology gift. Sheldon eventually chooses a tiara, which leads to an iconic scene where Amy's anger instantly vanishes, and she exclaims, "I'm a princess and this is my tiara!". The Item : A sparkly tiara.

"The Big Bang Theory" The Shiny Trinket Maneuver (TV Episode 2012) - IMDb