The thread title pretty much says it all. Is there anything at all out there about this thing? (All I know about it is that Tim Colliver described a proposed 5th season machine that would drop out of the mini sub bay, unfold legs, and walk along the sea bottom.) A Profiles in History auction drawing? A sketch? A better description?

Voyage season 5 was never seriously considered as Richard Basehart had
had enough, (by the end of season 2 actually), and Irwin Allen had already
pressed forward with Land Of the Giants which replaced Voyage in the
Sunday night line up in the fall of '68. Maybe there is something out there
but I doubt they would have gone to the expense of even making prototype
sketches for a show that was, no pun intended, already dead in the water.
It would, however, be nice if I'm wrong...