Happy Birthday Dog! : Dogs friends are planning a surprise party for him, but they don't have a cake! With a little help from Pig, Frog gathers the letters c-a-k-e...but can he get them to the party without ruining the surprise?Sh-Sh-Shark! : When Duck befriends a Shark, he learns that the letters S and H make the "sh" sound, and everyone else discovers that you can't judge a shark by his sharp-toothed cover. The Mystery of the Disappearing Pie: Pig's pie for Bear has gone missing! have no fear-Detective Sheep is ready to help her WordFriends! Snug as a Bug: When bug can't sleep because he needs to be snug, he and his neighbor, Frog, have to figure out the end of the rhyme: Snug as a bug in a ..." Can you guess the end?