Robert Prescott

When the sole witness in a high-profile murder case disappears, Five-0 must head into the jungle to locate and protect her from assassins who are closing in fast.

A media frenzy erupts when an Iowa teen disappears during her school trip, and the prime suspect is the son of a powerful judge.

A well-to-do couple is murdered in their upscale apartment. Cocaine residue is found in an overnight bag belonging to the deceased Mr. Alvarez at the scene of the crime, indicating to the Detectives that the murder was drug related. A young man, Tito (Mike Santana), admits that he was with Alvarez at a heliport waiting for a drug shipment , but claims he got scared and left before it got there. Tito does give the Detectives a solid lead: Alvarez were meeting a woman passenger on the helicopter. It turns out the passenger is the wife of an Army Major stationed in Colombia. Major Wyrnan's (Michael Gaston) wife, Caryn (Charlotte d'Amboise), was carrying the bag in question, filled with cocaine, and was using Army planes and helicopters to transport the drugs.

A lightning bolt strikes Sam (Scott Bakula) and Al (Dean Stockwell), causing them to trade places and personalities: Al (Dean Stockwell) becomes a World War II ex-POW just returned home in 1945; Sam (Scott Bakula) leaps ''home'' to the Q.L. control center in 1999.

An enraged Goldblume takes the law into his own hands when his ex-wife is sexually assaulted and refuses to testify against the suspect.