A large quake prompts the commander to call for an evacuation of all ORCA personnel under the age of 18.
Did You Know?
Final appearances of Kal, Dr. Hellegren, Kellar, Lena, Benny, Sallyanne, Morgan Clayborn, Commander Wellington, Mrs. Clayborn and Dr. Malcovitch (Benny's father). Only Cass Clayborn and Dave who are first appeared in the third season are present in the fourth season. See more