Gibson
Season 1, Episode 4, “Middle Game” (2020) · Beth Harmon
Flying home from Mexico City after Alma's sudden death, Beth raises a Gibson, the drink Alma favored, in a toast to her adoptive mother.
Sources: TVLine - Performer of the Week: Anya Taylor-Joy (The Queen's Gambit, episode 4); Smiley Pete Publishing - Drink of the Month: The Gibson; The Three Drinkers - Iconic cocktails from TV & film (Gibson / Beth Harmon)