S4: Ep.32 Ram's next trick is turning the City's water supply back on. Of course everyone is ecstatic, and the Technos are now heroes. Four brief shots show what's happening - mostly good, though the overflowing basin might be a problem!
Goof: The pool fountain would never be supplied directly from the mains water supply. If it were, the pool would soon overflow. No: you always have a pump to do that, recirculating the existing water. And since they already have electricity, the fountain should already have been working.