Let George Do It – Tunnel Under The River. ep81, 480503
George nearly dies when tunnel construction is sabotaged. He is hired to look into a string of accidents on the tunnel construction. He notices a boat on the river that…
Box 13 – Three to Die. ep23, 490123
Dan recieves a letter to meet a man who is in charge of building a tunnel under the river. There is trouble with sabotage that will cause him to finish…
The Avenger – Tunnel of Disaster. ep7, 450720
Jim Brandon and Fern tune in a radio broadcast to dedicate the opening of a traffic tunnel. A helicopter reports the first car to make the trip is the mayor.…
Blue Beetle -Underworld Goes Underground. eps 39-40, 400814
Part 1: Rival construction companies compete for the bid to build an underground tunnel. The Dunlap company, one with a good safety record, and ran by a friend of Dan…
Superman – Curse Of Dead Man’s Island. 3of6, 400927.
Left to themselves, Clark and Jimmy explore the huge house on Dead Man's island. The strange noise they heard is from the man who sent out a message for help,…