The spy thriller series "Ponies" is concluding with a two-part finale airing on Sky Atlantic at 9 p.m. The episodes center on an intense stake-out in Moscow, where main characters Bea, portrayed by Emilia Clarke, and Twila, played by Haley Lu Richardson, face escalating challenges. Amid the operation, they uncover the existence of a mole within the embassy, adding a layer of intrigue to the unfolding events. The double-bill promises to bring the series to a climactic end, highlighting the high-stakes nature of espionage in a tense international setting.