| 100% | IMAX | 4 | Format of such movies as "Under the Sea" and "To the Arctic 3D" |
| 81% | IMAX | 4 | Format of such movies as "To the Arctic 3D" and "Sacred Planet" |
| 42% | BYSSHESHELLEY | 13 | Romantic poet Percy, the writer of classic poems such as "Ozymandias", "Ode to the West Wind" and "To a Skylark": 2 wds. |
| 42% | ECO | 3 | ___-terrorism (feature of such movies as "Aquaman" and "On Deadly Ground") |
| 41% | TIDALFLOW | 9 | To and fro motion of seas according to the moon |
| 41% | RAE | 3 | John —, 19th-century Scottish explorer; author of Narrative of an Expedition to the Shores of the Arctic Sea, in 1846 and 1847 |
| 41% | CEDILLA | 7 | Character such as that placed under the c in French name Francois that softens the sound from that of k to s |
| 41% | ISEW | 4 | Indicator intended to replace the GDP that considers items such as income distribution and costs of pollution (abbr.) |
| 40% | RAE | 3 | John —, 19th-century Scottish explorer who authored the book Narrative of an Expedition to the Shores of the Arctic Sea, in 1846 and 1847 |
| 38% | TREEFROG | 8 | Arboreal amphibian such as the gray — of the US and Canada |
| 38% | TIDAL | 5 | Having to do with the rise and fall of the sea |
| 38% | SPOOF | 5 | To parody something, such as the film "Scary Movie" |
| 38% | IRWINALLEN | 10 | Television and movie producer who earned the nickname the "Master of Disaster" for productions such as "The Poseidon Adventure" and "The Towering Inferno" (2 wds.) |
| 37% | SONG | 4 | "___ of the Sea," 2014 animated ocean movie about a boy and his sister |
| 37% | OFFAL | 5 | Edible internal parts of an animal, such as the heart and liver |
| 37% | AESOP | 5 | Source of fables such as "The Tortoise and the Hare" |
| 37% | KARA | 4 | — Sea, arm of the Arctic Ocean east of Novaya Zemlya and north of Siberia |
| 37% | AESOP | 5 | Legendary writer of fables such as "The Tortoise and the Hare" |
| 37% | TERRY | 5 | Crews of movies such as Idiocracy and White Chicks |
| 37% | BALTIC | 6 | — Sea, body of water connected to the North Sea by the Skaggerak, Kattegat and Oresund |
| 37% | SEASNAKE | 8 | Venomous marine creature of the Indian and Pacific Oceans such as the yellow-bellied — |
| 36% | POE | 3 | Author of such stories as "The Premature Burial" and "The Black Cat" |
| 36% | BISON | 5 | Bovid of North America and Europe such as the wisent |
| 36% | LORD | 4 | Phil ___, co-director of famous animated movies such as "Cloudy with a Chance of Meatballs" and "The Lego Movie" |
| 36% | LAPTEV | 6 | — Sea, shallow arm of the Arctic Ocean between the New Siberian Islands and the Taimyr Peninsula |
| 36% | DOFF | 4 | Remove, as clothing ... and a hint to the ends of the answers to starred clues |
| 36% | PAUL | 4 | ___ McCartney, "Pipes of Peace" musician who plays multiple instruments such as the guitar and drums |
| 36% | HASTY | 5 | Type of pudding the men and boys were as thick as, according to "Yankee Doodle" |
| 36% | CISCO | 5 | North American fish of the salmon family such as the longjaw — and shortnose — |
| 36% | BUTTERBUR | 9 | Plant of the genus Petasites such as the giant — or Arctic — |