The Walkers are excited when Tommy comes down for a visit, but his new girlfriend’s enthusiasm for Walker family history rubs the family the wrong way.

While Pruitt grieves a monumental loss, Andy refuses to do the same and, instead, throws herself into work. Meanwhile, the crew responds to a widespread carbon monoxide leak, and Sullivan…

When Brennan is shot while working late at the Jeffersonian lab, she is rushed to the hospital in critical condition. While at the hospital, she struggles with visions of her…

When Gary Blauman shows up at the wedding, it sends the gang into a frenzy as they each recall an encounter with him.

When investigating a deserted yacht adrift at sea, McGarrett, Danny, Tani and Junior are exposed to a deadly bioweapon and the rest of Five-0 have only eight hours to find…

Jeff helps Duncan romance Britta; Britta runs into some old anarchist friends and discovers they’ve moved on; Abed accidentally destroys some of Hickey’s drawings; Chang has a supernatural experience.

Richard finds himself in a web of lies. Jared plans his exit. Jack bets big. Gavin plots a comeback.

The Gang finds themselves in the middle of a focus group after a screening of Thunder Gun 4: Maximum Cool. They are determined to restore glory and traditional American values…