Joe and Blue swap the roles of the game to figure out Joe's Surprise. The viewers help Blue search for Joe's Clues, solve riddles and turn many of the program's customs upside down along the way. Later, in Blue's Room, Blue plays Polka Dots' Puzzles with Polka Dots.
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At one point, the close captioning reads that Blue is barking "We are looking for Blue's Clues", but technically, she's actually barking "We are looking for Joe's Clues".
At another point, the close captioning reads that Blue is barking "What Blue's Clues were all about", but technically, she's actually barking "What Joe's Clues were all about".
This is only the second time that the show has broke from custom in regard to the show's hallmark game. The first time was "Joe's Surprise Party," when other characters played the game.
This is not the last time that Joe wears his famous orange shirt for most of the episode. He will wear it one more time (with overalls) in "Bluestock."
In addition to the video letter being a skidoo segment, this is also the only time anyone did so and the third time a clue was found there (the other two being Blue's Surprise at Two O'Clock! and Bedtime Business, but those clues came out from the letter)
This makes this the longest video letter (and therefore Mailtime segment) ever.
This is the second time the viewers interact with the video letter.
Blue, her ball, Tickety, Sidetable, Paprika, Cinnamon, Mr. Salt, Mrs. Pepper, Slippery, Shovel, Pail, Polka Dots, the box containing Blue's Room, Key, and Moona appear in the closing credits in that order.
Blue appears twice doing different things.
Throughout the pre-credits, she chased her ball until it ended up above the credits, causing her to stop running and wonder how to reach it. When the credits began scrolling upwards, she jumped on to them and reached her ball.
Before the credits ended, Blue popped up from the bottom of the screen and waved goodbye before the ending sequence.
At the end of Joe's show, the cheers and applause sound effect was heard. How come the cheers and applause sound effect can be heard when Joe had his show at the Blue's Clues house? He was only putting it on for Blue and the viewers.
This is the first time since Thankful that Sidetable appears in the credits.
Joe wears an orange squared shirt for most of this episode, however, he changes into a yellow squared shirt for pretending to be a duck, then a green squared shirt when pretending to be Little Red Riding Hood.