I think they're at Star Labs in the episode "Through a Glass, Darkly," trying to find out the location of the person who sent transmissions that sabotaged the space station. Lois is lamenting that villains always seem to be around Metropolis, rather than more exotic places like Maui, Aspen or Monte Carlo.

-- Roger

"The Constitution only gives people the right to pursue happiness. You have to catch it yourself." -- Benjamin Franklin