After five years of homeless encampments along Pittsburgh's river trails, many residents say they're fed up and are demanding immediate action.They are called the caves. Above Route 28 and behind a canvas live half a dozen people experiencing homelessness in the basement of houses demolished long ago.

There’s a couch, a keyboard and a washing machine. You can count two widescreen TVs, a dozen pieces of luggage and who knows how many bicycles. Don’t forget the three-story dollhouse. Or the pile of needles.

After five years of homeless encampments along Pittsburgh's river trails, many residents say they're fed up. Goldberg's birthday episode also included the return of the Wind Machine of Chaos and her face on a giant wheel of cheese.