Danny remembers his toughest case while waiting for the bomb squad to deactivate an explosive device on Hawaii Five-0. "I Ka Wa Wamua (In a Time Past)" is the sixth episode of the show's third season.
McGarrett help Grover find his missing friend on Hawaii Five-0. "O kela me keia manawa (Now and Then)" is the 12th episode of the show's fourth season.
A Texas Ranger works with McGarrett to find his missing daughter on Hawaii Five Five-0. "A' ale Ma'a Wau (Fish Out of Water)" is the second episode of the show's fourth season.
Jose Garcia guest stars as a conspiracy theorist who helps solve a double homicide on Hawaii Five-O. "Ka 'oia' i' o ma loko (The Truth Within)" is the third episode of the show's fourth season.