Catch up TV on Xtreme 4x4. Watch the latest and all other episodes of Xtreme 4x4 now online, broadcasted on 7Two. Catch up on your favorite 7Two TV show: Xtreme 4x4. Replay tv on its best! Each episode consists of the two hosts building or modifying vehicles in order to convert them into ravenous off-road beasts capable of handling anything that the elements can throw at them.