Mrs. Apu's Old Friend.It's almost Christmas in Cosmopolis! Everyone is having fun on the jolly day that Santa Claus will deliver presents to the nice people and coal to the naughty people. Everybody is having fun, all except for one. A unknown stranger who sneaks into the basement and steals a very special Santa suit in the chest. The next day, It's Christmas Eve. Sally and Doowee are so excited that it's almost Christmas and they can't wait to see Santa and have their best Christmas ever by also waiting to open their presents and eat figgy pudding too. But, however, things are going awry when Mrs. Apu starts talking to them about her old friend, who hasn't see him for several days since they first met. So, Sally, along with her best friend, Doowee investigate what's in this case. When they visit the old man's house, they find him very upset because somebody has stolen his rare Santa suit he always wear every Christmas. Without it, he can't deliver presents to the children and adults of the town. So, The S.B.I. set out to find the thief by inviting all the department store Santas to a party, to see the one who is wearing the missing suit. Culprit: Kevin. Note: This is the series' first Christmas special.