It's a bright day in the Cash Cab when two Rutgers University IT specialists are surprised by Murray Goldberg himself, Jeff Garlin. Then, comedian and star of Curb Your Enthusiasm, Susie Essman make the day of two players.

Coworkers learn the hard way that not even Siri can help them, a mother and Son try their luck as their Cash Cab doomsday clock runs down, and two sisters from the Midwest try to make it rain green despite exclaiming to Ben, "We're not that smart!"