once in a while
51once — See: AT ONCE, EVERY NOW AND THEN or EVERY ONCE IN A WHILE …
52once — See: AT ONCE, EVERY NOW AND THEN or EVERY ONCE IN A WHILE …
53once — See: at once, every now and then or every once in a while …
54once in a blue moon — infrequently, not often, once in a while …
55Once More, with Feeling (Buffy the Vampire Slayer) — Once More, with Feeling Buffy the Vampire Slayer episode Once More, with Feeling intertitle …
56Once Upon a Time (TV series) — Once Upon a Time Once Upon a Time intertitle Format Fantasy Drama Created by Edward Kitsis Adam Horow …
57Once (film) — Once Theatrical release poster Directed by John Carney Produced by …
58Once Upon a Time in Mexico — Directed by Robert Rodriguez Produced by Robert Rodriguez Elizabeth Avellan Carlos Gallardo …
59Once Upon a Time in China II — Japanese film poster Traditional 黃飛鴻之二男兒當自強 Simplified …
60Once Upon a Time in America — (C era una volta in America) Theatrical release poster by Tom Jung Directed by Sergio Leone …