On Hawaii Five-0 Season 8 Episode 20, Catherine recruits McGarrett and Jerry to track down a uranium deposit thought to be hidden on an abandoned island.
On Hawaii Five-0 Season 8 Episode 16, Tani and Junior go undercover as prospective parents in order to infiltrate a private school whose headmaster is murdered.
On Hawaii Five-0 Season 8 Episode 14, Five-0 investigates when the corpse of a diamond smuggler is stolen, while Adam recruits a new confidential informant.
On Hawaii Five-0 Season 8 Episode 13, Grover reveals how he was once on the brink of killing himself, when a man accused of killing his wife attempts suicide.
On Hawaii Five-0 Season 8 Episode 12, McGarrett tasks Adam with forming a new division within Five-0 to take on organized crime when an FBI agent is killed.
On Hawaii Five-0 Season 8 Episode 10, Danny imagines Five-0's future after being shot. On Hawaii Five-0 Season 8 Episode 11, Danny tells Charlie about a recent case.
On Hawaii Five-0 Season 8 Episode 9, McGarrett, Danny, Tani, and Junior are all exposed to a deadly bioweapon while checking on a deserted yacht adrift at sea.