Dva mladí mimozemšťané cestují po USA v červeném sporťáku, ve snaze dozvědět se co nejvíce o životě na Zemi. Zatímco se oni baví, jsou jim v patách dva zmatení vládní vojáci, kteří je chtějí chytit a zneužít pro výzkum.

Ace Mask, Allan Royal, Andrea Elson, Anthony Russell, Barry Dennen, Barry Pearl, Bettina Bush, Bobbie Phillips, Brooke Theiss, Carl Ciarfalio, Caroline Williams, Catherine Carlen, Catherine Dao, Charles Meshack, Charlie Brill, Christina Whitaker, Christine Cattell, Darrow Igus, Dean Cameron, Delia Salvi, Dick Yarmy, Donald Gibb, Eugene Williams, Franklin Cover, George "Buck" Flower, Harris Laskawy, I.M. Hobson, Ivan Naranjo, J. Cynthia Brooks, Jack Carter, Jeff Doucette, Jenilee Harrison, Jim Jansen, Jo Ann Dearing, Jocelyn Seagrave, Jodi Russell, Joe Marinelli, John Fiedler, John Lykes, Johnny Dark, Jon Sharp, Jonathan Schmock, Kent Perkins, Kim Morgan Greene, Louan Gideon, Mark Holton, Martha Smith, Marvin Kaplan, Matthew Faison, Pamela Brull, Pamela Winslow, Paul Brinegar, Pepper Martin, Peter Iacangelo, Rick Lieberman, Robert Keith, Robert Kim, Robert Ridgely, Ron Pearson, Rosalee Mayeux, Ruth Buzzi, Sara Ballantine, Starr Andreeff, Steve DeVorkin, Steve Welles, Stuart Fratkin, Stuart Nisbet, Susie Singer Carter, Tawny Kitaen, Tera Hendrickson, Teresa Ganzel, Terri Ivens, Tim Dunigan, Tom Henschel, Victor Brandt, William Lanteau, Zoe Trilling