Fools Day Out/References

Trivia

 * The ground hog looks similar to Eddie the furry gerbil in Ruled Out.
 * This is the second appearance of the April Fool. The first was in Christmas Everyday.

Running Gags

 * When a character is going to say a joke even if it not finished or said even the simplest statement, Cosmo laughs uncontrollably.
 * Every made fun of Timmy even Cosmo and Wanda.
 * The groung hog attacks Timmy everytime it sees it's own shadow.