Petrocephalus arnegardi is a species of electric fish in the genus "Petrocephalus" native to the Central Congo River basin.
 It is found in middle Congo River and in the Likouala River drainage, in the Democratic Republic of the Congo and Republic of the Congo.
 It is named after Matthew Arnegard, an expert on elephantfishes.
Orthochromis polyacanthus is a species of cichlid native to the Democratic Republic of the Congo and Zambia, where it is known from the lower Congo River rapids near Pool Malebo (Stanley Pool) and the upper Congo River basin from the Kisangani area to the Lake Mweru basin.
 This species can reach a length of 11.8 cm SL.
The Ubangi River ( or ), also spelled Oubangui, is the largest right-bank tributary of the Congo River in the region of Central Africa.
 It begins at the confluence of the Mbomou and Uele Rivers and flows west, forming the border between Central African Republic (CAF) and Democratic Republic of the Congo.
 Subsequently, the Ubangi bends to the southwest and passes through Bangui, the capital of CAF, after which it flows southforming the border between Democratic Republic of the Congo and Republic of Congo.
 The Ubangi finally joins the Congo River at Liranga.
Heart of Darkness (1899) is a novella by Polish-British novelist Joseph Conrad, about a voyage up the Congo River into the Congo Free State, in the heart of Africa, by the story's narrator Charles Marlow.
 Marlow tells his story to friends aboard a boat anchored on the River Thames, London, England.
 This setting provides the frame for Marlow's story of his obsession with the ivory trader Kurtz, which enables Conrad to create a parallel between London and Africa as places of darkness.
Orthochromis stormsi is a species of cichlid endemic to the Democratic Republic of the Congo, where it is known from the upper Congo River basin and Lake Mweru.
 It has also been reported from Pool Malebo (Stanley Pool) and the Regina Falls in the lower Congo River basin, but the identity of these populations requires further investigation.
 This species can reach a length of 10.2 cm SL.
The Congo–Ocean Railway (COR; French: "Chemin de fer Congo-Océan" , CFCO ) links the Atlantic port of Pointe-Noire (now in the Republic of Congo) with Brazzaville, a distance of 502 km .
 It bypasses the rapids on the lower Congo River; from Brazzaville river boats are able to ascend the Congo River and its major tributaries, including the Oubangui River to Bangui.
The Kasai River (called Cassai in Angola) is a tributary of the Congo River, located in central Africa.
 The river begins in Angola and then serves as the border between Angola and the Democratic Republic of the Congo (DRC), until it flows into the DRC.
 The Kasai joins the Congo at Kwamouth northeast of Kinshasa.
 The Kasai's tributaries include the Fimi, Kwango, and Sankuru rivers.
 The short stretch of the Kasai from the inflow of the Fimi to the Congo is known as the Kwah River.
 The Kasai basin consists mainly of equatorial rainforest areas, which provide an agricultural land in a region noted for its infertile, sandy soil.
 It is a tributary of Congo river and diamonds are found in this river.
 Around 60% of diamonds in Belgium go from Kasai river for cutting and shaping.
Out of Place is a surfing documentary directed by Scott Ditzenberger and Darrin McDonald that follows the lives of several lake surfers in Cleveland, Ohio.
 While Lake Erie does not offer the quality of waves they would prefer, business commitments, family, and friends keep them from moving.
 As the best waves occur in the winter, the surfers often experience freezing conditions including during a snow bound Great Lakes Eastern Surfing Association competition featured in the film.
Congo River, beyond darkness is a 2005 film by Thierry Michel examining the Congo River in Africa.
Lubaland refers to the savanah grassland south of the Congo River where the Luba people live; now the southeastern portion of the Democratic Republic of the Congo.
 Around 1500 CE Lubas united to form a kingdom which was ultimately taken over in 1885 by Leopold II, King of Belgium, who made it part of his Congo Free State.
 Lubaland stretches from the Lwembe river to about 50 kilometers east of the Congo River, between 6°30′ and 10°00′ S in north-central Shaba.
 The area is a savanah except Upemba Depression.

Question: Which of the following films is directed by Scott Ditzenberger, "Congo River, Beyond Darkness", or "Out of Place"?
Answer: Out of Place