In “Garfunkel and Oates,” Riki Lindhome and Kate Micucci portray both themselves and their comedic musical personas, “Garfunkel and Oates,” as they strive to broaden their modest fame. Known figures in the improv-comedy world, Micucci and Lindhome first crossed paths at the Upright Citizens Brigade Theatre in Los Angeles, naming their duo after “two renowned rock-and-roll sidekicks,” Art Garfunkel and John Oates. Across five short episodes, Riki and Kate tackle societal taboos and deliver satirical songs about their challenging lives as single women in their late 20s living in Los Angeles.