DS9 s4e8 "Little Green Men"

In this delightful time-travel romp, the Ferengi trio jaunt over to apparently nearby Earth and find themselves Roswelled! And does Odo/James Cromwell eat/murder a dog? Matt and Andy discuss!
[Episode discussion begins around 1:02, MAN OF STEEL and Donner SUPERMAN spoilers around 28:00ish]