Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Prod. No. | Title | Written by | Directed by | Original airdate |
| --- | --- | --- | --- | --- |
| 1 | "The Good, the Bad and the Snotty" | Jed Spingarn | T.J. Sullivan & Mike Gasaway | September 29, 2007 |
| 1 | "Escape from the Barnyard" | Gene Grillo | Mike Gasaway | September 29, 2007 |
| 2 | "Cowman and Ratboy" | Gene Grillo | Mike Gasaway | October 6, 2007 |
| 2 | "Cow's Best Friend" | Aaron Hilliard & Luke Del Tredici | T.J. Sullivan | October 6, 2007 |
| 3 | "Chez Pig" | Chris Painter | Mike Gasaway | October 13, 2007 |
| 3 | "The Right Cow" | Gene Grillo | Todd Grimes | October 13, 2007 |
| 4 | "Saving Mrs. Beady" | Jed Spingarn | T.J. Sullivan | October 20, 2007 |
| 4 | "The Farmer Takes a Woman" | Brandon Sawyer | T.J. Sullivan | October 20, 2007 |
| 5 | "Hypno-A-Go-Go" | Andrew Nicholls & Darrell Vickers | Todd Grimes | November 24, 2007 |
| 5 | "Fowl Play" | Gene Grillo | Mike Gasaway | November 24, 2007 |
| 6 | "Barnyard Games" | Christopher Painter | Todd Grimes | January 19, 2008 |
| 6 | "War of the Pranks" | Jessica Gao | T.J. Sullivan | January 19, 2008 |
| 7 | "Lights! Camera! Moo!" | Sam O'Neal & Neal Boushell | Mike Gasaway | February 2, 2008 |
| 7 | "Animal Farmers" | Adam Cohen | Todd Grimes | February 2, 2008 |
| 8 | "Raging Cow" | Gene Grillo | Mike Gasaway | February 16, 2008 |
| 8 | "The Great Sheep Escape" | Joel Bergen & Alex Muniz | Todd Grimes | February 16, 2008 |
| 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 |
| 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 |
| 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 |
| 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 |
Question:
Who directed the episode written by Dan Serafin and aired on July 23, 2008?
Answer:
Todd Grimes