[PAR] [TLE] A Test Before Trying [SEP] "A Test Before Trying" is the tenth episode of the 24th season of "The Simpsons" and the 518th episode overall.  It first aired on the Fox network in the United States on January 13, 2013.  The episode is dedicated to the memory of Huell Howser, who appeared in the episode "O Brother, Where Bart Thou? ".  In the Season 16 episode, "There's Something About Marrying", the travel journalist (who has a similar name), that gave Springfield a score of 6/10, thereby causing the town to lose its tourists was based on him.  The character in that episode was voiced by Karl Wiedergott. [PAR] [TLE] O Brother, Where Bart Thou? [SEP] "O Brother, Where Bart Thou?"  is the eighth episode of "The Simpsons"' 21st season.  It originally aired on the Fox network in the United States on December 13, 2009.  In this episode, Bart goes on a quest to get a baby brother out of jealousy of the sisterly bond Lisa has with Maggie.
[PAR] [TLE] A Test Before Trying [ SEP ] " A Test Before Trying " is the tenth episode of the 24th season of " The Simpsons " and the 518th episode overall . It first aired on the Fox network in the United States on January 13 , 2013 . The episode is dedicated to the memory of Huell Howser , who appeared in the episode " O Brother , Where Bart Thou ? " . In the Season 16 episode , " There 's Something About Marrying " , the travel journalist ( who has a similar name ) , that gave Springfield a score of 6/10 , thereby causing the town to lose its tourists was based on him . The character in that episode was voiced by Karl Wiedergott . [PAR] [TLE] O Brother , Where Bart Thou ? [ SEP ] " O Brother , Where Bart Thou ? " is the eighth episode of " The Simpsons " ' 21st season . It originally aired on the Fox network in the United States on December 13 , 2009 . In this episode , Bart goes on a quest to get a baby brother out of jealousy of the sisterly bond Lisa has with Maggie .
Which season did the Simpsons episode that Huell Howser appeared in air?
Which season did the Simpsons episode that Huell Howser appeared in air ?
21st
21st