All articles starting with O
9,097 articles
Once Upon a Time in China V (黄飞鸿之四：龙城歼霸)
Once Upon a Time in China V (黃飛鴻之五龍城殲霸, 1994) is the fifth Wong Fei-hung film, directed by Tsui Hark with Vincent Zhao replacing Jet Li, battling pirates led by Cheung Po-tsai; it grossed HK$4,902,426 in Hong Kong.
Once Upon a Time in Croatia
Once Upon a Time in Croatia (Bilo jednom u Hrvatskoj; also Tuđman: Nepoznata priča) is a 2022 Croatian docu-drama directed by Jakov Sedlar about Franjo Tuđman, Croatia's first president.
Once Upon a Time in Harlem
Once Upon a Time in Harlem is a 2026 documentary by William and David Greaves built from 16mm footage of a 1972 cocktail party of Harlem Renaissance figures at Duke Ellington's townhouse, completed 54 years later and winner of the Library of Congress Lavine/Ken Burns Prize.
Once Upon a Time in High School (말죽거리 잔혹사)
Once Upon a Time in High School (말죽거리 잔혹사, Spirit of Jeet Kune Do) is Yoo Ha's 2004 Korean coming-of-age film set in 1978 Gangnam, starring Kwon Sang-woo, Lee Jung-jin, and Han Ga-in; 3,115,767 admissions, third best-selling Korean film of 2004.
Once Upon a Time in Hollywood
Once Upon a Time... in Hollywood is Quentin Tarantino's 2019 comedy-drama, his ninth film, set in 1969 Los Angeles with Leonardo DiCaprio as Rick Dalton, Brad Pitt as Cliff Booth, and Margot Robbie as Sharon Tate; it earned $377 million, 10 Oscar nominations, and a Fincher-directed Cliff Booth sequel.
Once Upon a Time in Kochi
Once Upon a Time in Kochi (വൺസ് അപ്പോൺ എ ടൈം ഇൻ കൊച്ചി) is a 2024 Malayalam crime comedy-drama directed by Nadirshah, written by Raffi, starring debutant Mubin M Rafi, Arjun Ashokan, and Devika Sanjay, about the Kochi drug trade; released 31 May 2024, it flopped with ₹0.41 crore net.
Once Upon A Time In Lingjian Mountain (从前有座灵剑山)
Once Upon A Time In Lingjian Mountain (从前有座灵剑山) is Bixia Guowang's 2013 xianxia web novel, adapted into a Tencent manhua, a 2016 Studio DEEN anime (first Chinese serial animation on Japanese TV), and a 2019 Xu Kai comedy drama.
Once Upon a Time in Madras
Once Upon a Time in Madras (ஒன்ஸ் அபான் எ டைம் இன் மெட்ராஸ்) is a 2024 Tamil hyperlink thriller, Prasadh Murugan's directorial debut, starring Bharath, Abhirami, Anjali Nair, and Pavithra Lakshmi. Four Chennai lives collide through an accidentally discovered gun; released 13 December 2024, A certified, streamed on Aha Tamil from 17 January 2025.
Once Upon a Time in Mexico
Once Upon a Time in Mexico (Érase una vez en México) is a 2003 American action film directed by Robert Rodriguez, the final film in his Mariachi trilogy.
Once Upon a Time in Mumbaai
Once Upon a Time in Mumbaai is a 2010 Hindi gangster film by Milan Luthria, starring Ajay Devgn as don Sultan Mirza and Emraan Hashmi as his betrayer Shoaib, inspired by Haji Mastan and Dawood Ibrahim.
Once Upon a Time in Mumbaai Dobara!
Once Upon a Time in Mumbaai Dobara! (Once Upon a Time in Mumbai Dobaara!) is Milan Luthria's 2013 Hindi sequel to Once Upon a Time in Mumbaai, starring Akshay Kumar, Imran Khan, and Sonakshi Sinha in a don-versus-protégé love triangle; released 15 August 2013 to poor reviews.
Once Upon a Time in Shaolin
Once Upon a Time in Shaolin: Wu-Tang Clan's one-copy 31-track double album, sold to Shkreli for $2M in 2015, forfeited in 2018, bought by PleasrDAO for $4M in 2021, embargoed until 2103.
Once Upon a Time in the Middle East
Once Upon a Time in the Middle East (欢迎来龙餐馆, Welcome to the Loong Restaurant) is a 2026 Chinese anti-war drama by Wen Muye starring Shen Teng as chef Xu Fu in a fictional Middle Eastern city during an Iraq-like war; it grossed over $318 million and was released internationally from September 2026.
Once Upon a Time in the West
Once Upon a Time in the West (C'era una volta il West), Sergio Leone's 1968 epic spaghetti Western with Henry Fonda, Claudia Cardinale, Charles Bronson, Jason Robards, and an Ennio Morricone score played on set.
Once Upon a Time in Venice
Once Upon a Time in Venice (2017) is an American action comedy directed by Mark Cullen, starring Bruce Willis as Venice Beach detective Steve Ford recovering his stolen dog from drug lord Spyder (Jason Momoa), with John Goodman; grossed $855,888 and was poorly reviewed.
Once Upon a Time in Wonderland
Once Upon a Time in Wonderland is an American fantasy drama series on ABC, a 2013 spinoff of Once Upon a Time that ran one 13-episode season.
Once Upon a Time season 4
Once Upon a Time season 4, the 2014 ABC season of the fantasy drama, adapts Frozen with Elsa and Anna in Storybrooke; 23 episodes, 9.4 million premiere viewers, 62% Tomatometer.
Once Upon a Witch's Death
Once Upon a Witch's Death (Aru Majo ga Shinu Made) is a Japanese light novel series by Saka and Chorefuji, adapted into a 2025 anime.
Once Upon ay Time in Mumbai Dobaara! (वन्स अपॉन अ टाइम इन मुंबई डोबारा!)
Once Upon ay Time in Mumbai Dobaara! (OUATIMD) is a 2013 Hindi gangster film by Milan Luthria, sequel to Once Upon a Time in Mumbaai, starring Akshay Kumar, Imran Khan, and Sonakshi Sinha; a box office flop with negative reviews.
Once Upon My Mother
Once Upon My Mother (Ma mère, Dieu et Sylvie Vartan) is Ken Scott's 2025 French-Canadian comedy drama, adapted from Roland Perez's autobiographical 2021 novel, starring Leïla Bekhti and Jonathan Cohen, about a mother's promise to her clubfoot-born son.
Once We Were Us
Once We Were Us (만약에 우리) is a 2025 South Korean romantic drama starring Koo Kyo-hwan and Moon Ga-young as former lovers who reunite a decade after separating.
Once Were Warriors
Once Were Warriors is a 1990 novel by New Zealand writer Alan Duff portraying the violent lives of the Heke family, urban Māori living in state housing.
Once Were Warriors (film)
Once Were Warriors (1994) is Lee Tamahori's debut New Zealand drama, adapted from Alan Duff's novel, about the Heke whānau in South Auckland; highest-grossing NZ film to that date, starring Temuera Morrison and Rena Owen.
Once-through fuel cycle
The once-through fuel cycle is an open nuclear fuel cycle in which uranium fuel is used once in a reactor, then disposed of directly without reprocessing.
Onchestos (Greece)
Onchestos (Ὀγχηστός, Onchestus) was a town and sanctuary of Poseidon in Boeotia, Greece, named in Homer's Iliad, later the religious center of the Boeotian Koinon, sacked in 171 BCE and excavated by Columbia University since 2014.
Onchi Kōshirō
Onchi Kōshirō (恩地孝四郎, 1891–1955) was a Japanese printmaker, book designer, photographer, and poet, a leading figure of the sōsaku hanga movement and an early pioneer of abstract art in Japan.
Onchocerca volvulus
Onchocerca volvulus, the filarial nematode causing river blindness (onchocerciasis), is transmitted by Simulium blackflies. Adults live ~15 years in skin nodules; ivermectin MDA targets 80% coverage; Niger became the first African country verified elimination-free in 2025.
Onchocerciasis
Onchocerciasis, or river blindness, is a parasitic eye and skin disease caused by Onchocerca volvulus, spread by Simulium blackflies near fast rivers; treated with ivermectin MDA, with Niger the first African country verified free in 2025.
Onchocerciasis Control Programme
The Onchocerciasis Control Programme (OCP) was a WHO-led program that fought river blindness in West Africa from 1974 to 2002, chiefly by aerial spraying of blackfly breeding sites.
Oncidium
Oncidium (dancing ladies, butterfly orchid) is a neotropical orchid genus of about 339 accepted species with pseudobulbs and showy sprays; DNA studies merged Odontoglossum and other genera into it, and it is widely grown as a cut-flower and pot orchid.