Young Sheldon - Season 5- Episode 19 -

“The peanut. The perfect one. I left it here for exactly four minutes to consult my ‘Probability of Catastrophe’ chart in my room. And now… entropy has won.”

End of Episode 19, Season 5.

She places the peanut on the table. It’s slightly smudged. Young Sheldon - Season 5- Episode 19