Table:
text: List of Back at the Barnyard episodes
Season 1: 2007–2009
Season 1: 2007–2009
Prod_No_ Title Written_by Directed_by Original_airdate
13 Snotty`s New Pet Gene Grillo Todd Grimes May 10, 2008
14 Home Sweet Hole Jed Spingarn Todd Grimes May 24, 2008
14 Otis` Mom Dan Serafin T.J. Sullivan May 24, 2008
15 Club Otis Gene Grillo Mike Gasaway June 7, 2008
15 The Chronicles of Barnia Jed Spingarn Todd Grimes June 7, 2008
16 Barnyard Idol Tom Sheppard Todd Grimes July 21, 2008
16 The Haunting Sam O`Neal & Neal Boushell Mike Gasaway July 22, 2008
17 Brave Udders Dan Serafin Todd Grimes July 23, 2008
17 Otis` Eleven Gene Grillo T.J. Sullivan July 24, 2008
18 Pecky Suave Tom Sheppard Todd Grimes July 25, 2008

text: List of Back at the Barnyard episodes
Season 1: 2007–2009
Season 1: 2007–2009
Prod_No_ Title Written_by Directed_by Original_airdate
25 Doggelganger Dan Serafin Todd Grimes January 22, 2009
25 Save the Clams Ned Goldreyer Spike Brandt & Tony Cervone January 23, 2009
26 Adventures in Snotty Sitting Gene Grillo Spike Brandt & Tony Cervone February 24, 2009
26 Cowdyshack Tom Sheppard Todd Grimes February 23, 2009

text: List of Back at the Barnyard episodes
Season 1: 2007–2009
Season 1: 2007–2009
Prod_No_ Title Written_by Directed_by Original_airdate
9 The Big Barnyard Broadcast Gene Grillo Mike Gasaway March 15, 2008
9 Dead Cow Walking Jed Spingarn Mike Gasaway & Todd Grimes March 15, 2008
10 Cow`s Night Out Joel Bergen & Alex Muniz T.J. Sullivan March 29, 2008
10 Otis Season Jed Spingarn T.J. Sullivan March 29, 2008
11 Big Top Barnyard Jed Spingarn Todd Grimes April 12, 2008
11 Pigmalion Lazar Saric T.J. Sullivan April 12, 2008
12 A Barn Day`s Night Tom Sheppard T.J. Sullivan April 26, 2008
12 Meet the Ferrets Jed Spingarn T.J. Sullivan April 26, 2008
13 A Tale of Two Snottys Dan Serafin T.J. Sullivan May 10, 2008

text: List of Back at the Barnyard episodes
Season 1: 2007–2009
Season 1: 2007–2009
Prod_No_ Title Written_by Directed_by Original_airdate
18 Otis vs. Bigfoot Gene Grillo T.J. Sullivan September 22, 2008
19 Top Cow Gene Grillo Mike Gasaway September 23, 2008
19 School of Otis Tom Sheppard Mike Gasaway September 24, 2008
20 Otis for Mayor Tom Sheppard Spike Brandt & Tony Cervone September 25, 2008
20 Dummy and Dummier Dan Serafin Todd Grimes September 26, 2008
21 Some Like it Snotty Steve Oedekerk & Tom Sheppard T.J. Sullivan October 24, 2008
22–23 Cowman: The Uddered Avenger Gene Grillo & Jed Spingarn Mike Gasaway November 28, 2008
24 Pig Amok Gene Grillo T.J. Sullivan January 20, 2009
24 The Sun Cow Jessica Gao Todd Grimes January 21, 2009

Question: From the Back at the Barnyard episodes list, who directed the episode written by Dan Serafin and aired July 23, 2008?