The Girl from Tomorrow (1992)

Season 2: Episode 4

Alana and Nick find Silverthorn in his hide out testing the new TimeGate. It works, so they decide to go to the area where Silverthorns mansion was in 1990. Silverthorn goes back to 1990 and tells is mate Eddy that they are going in to the water business, shipping water from 1990 to 2500, because water is more precious than gold in 2500. When Silverthorn gets back to 2500, the Globecops are there waiting for him, he gets captured and they take him with the TimeGate back to Globcorp.