Spooky Costume Party with Blue (S02E04)

S02E01 Blue's Big Beat Band S02E02 Hide and Seek with Blue S02E03 Blue's Treasure Hunt S02E04 Spooky Costume Party with Blue S02E05 Thankful with Blue S02E06 Welcome to Blue's Bistro S02E07 Blue's Big Baking Show S02E08 Blue's Night Before Christmas S02E09 Sleepy Singalong with Blue S02E10 Blue's Big Dance Party S02E11 Blue's Big Imagination S02E12 What I Like About Blue S02E13 Blue's Show and Tell Surprise S02E14 Blue's Rainy Day Rainbow S02E15 Spring is Here! S02E16 Blue's Big Neighborhood Adventure S02E17 Blue's Beach Bonanza S02E18 Blue's Anywhere Box Surprise S02E19 Mystery of the Missing Pies S02E20 Blue Makes a Movie with YOU! S02E21 It's YOUR Birthday!