Hey, my Baby's Smart!: The Movie 4

Katie Mealy (Kylie Jenner) mysteriously disappears and the Smart Gang has to find the clues of what caused her dissapearance

Cast

 * DJ Maddie Funk - Maddie Fretz
 * Jenny - Kaleigh Cronin
 * Toodee - Kaleigh Cronin
 * Rex - Maddie Fretz
 * Andrew - Mike Park
 * James - Mike Park
 * Katie Mealy - Kylie Jenner
 * Danny Sabra - Jason Alexander
 * Princess Irene - Ella Fretz
 * Jake Cuttsfelder - Bill Hader
 * DJ Sister Funk - Abbie Fretz
 * Smoosh, Shiny Toy Guns, Blippi, Datarock, MGMT, Cameron Diaz, Merideth Viera, Ann Curry, Elisabeth Hasselbeck, and Bob Fretz - Themselves
 * Madeline Pluto - Grey DeLisle
 * Maren Hoffman - Vanessa Hudgens
 * Boris - Tom Kenny
 * Natasha - Grey DeLisle
 * Aspen Clark, Sierra Clark, Noreen Raja, Madison Long, Brad Boller, and Gabriel Mason - Themselves

Songs

 * 1) HMBS Theme Song
 * 2) Despacito
 * 3) Mount Everest
 * 4) Boris and Natasha
 * 5) Jake Cuttsfelder's Library Card
 * 6) Word of the Day - Habitat with Cameron Diaz
 * 7) Love will never do (without you)
 * 8) Don't say Bad Words
 * 9) Maren's Battle
 * 10) We are Family
 * 11) All my friends are different
 * 12) Goodbye
 * 13) Ending Music