"The Guardian" is the eighteenth episode of the seventh season and the 151st episode overall of the American fantasy-drama series Once Upon a Time. Written by David H. Goodman & Brigitte Hales, and directed by Geofrey Hildrew, it premiered on ABC in the United States on April 20, 2018. In the episode, Weaver takes matters into his own hands when his dagger is stolen, while Margot and Tilly go on their first date, and Henry is conflicted over the truth that he could be Lucy's father. In the past, Rumplestiltskin encounters Alice in their first meeting as he tries to rid himself of the Darkness.