Part Four (The Pacific)

"Part Four", also known as "Cape Gloucester, Pavuvu, Banika", is the fourth episode of the American war drama miniseries The Pacific. The episode was written by co-producer Robert Schenkkan and co-executive producer Graham Yost, and directed by Yost. It originally aired on HBO on April 4, 2010.

The series focuses on the United States Marine Corps's actions in the Pacific Theater of Operations within the wider Pacific War. It primarily centers on the experiences of three Marines (Robert Leckie, Eugene Sledge, and John Basilone) who were in different regiments (1st, 5th, and 7th, respectively) of the 1st Marine Division. The episode follows the Division's role in the Battle of Cape Gloucester, and its aftermath in the soldiers' mental state.

According to Nielsen Media Research, the episode was seen by an estimated 2.52 million household viewers and gained a 0.9 ratings share among adults aged 18–49. The episode received near critical acclaim, with critics praising the directing, writing, performances and themes.