Homer and Barney compete to be the first "average" American in space.
Guest Cast
Cast Appearances
Dan Castellaneta
voices Homer Simpson
Julie Kavner
voices Marge Simpson
Nancy Cartwright
voices Bart Simpson
Yeardley Smith
voices Lisa Simpson
Dan Castellaneta
voices Abraham Simpson
Dan Castellaneta
voices Barney Gumble
Hank Azaria
voices Moe Szyslak
Hank Azaria
voices Carl Carlson
Harry Shearer
voices Waylon SmithersEpisode Discussion
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