: During the sleepover, Sheldon is introduced to Vietnamese household traditions, such as removing shoes and using fish sauce (Nước mắm). He initially finds the pungent smell of the fish sauce off-putting—a trope titled "Anchovies Are Abhorrent".
: This episode features the first chronological mention of the fictional card game that Sheldon and his friends frequently play in The Big Bang Theory . [S2E4] A Financial Secret and Fish Sauce
is the fourth episode of the second season of the American sitcom Young Sheldon , which originally aired on October 11, 2018. : During the sleepover, Sheldon is introduced to
: The episode highlights the backstory of Tam's father, who was sent to a re-education camp in Vietnam because he "fought on the wrong side". : During the sleepover