Whodunnit? A Share A Story Musical Mystery

 is a 2004 crossover mystery-adventure film, and the last release from PBS Kids Movies.

It was a box office bomb and released to mixed reviews, and as a result the banner was dropped by.

The film stars most of the performers from the programs of the time, alongside a then-unknown.

Plot
The stars of PBS Kids join a cavalcade of celebrities in solving a mystery about missing books, which were stolen by a evil supervillain named Richard Quickster.

Animation

 * as Clifford
 * as Cleo
 * as T-Bone
 * as Ord
 * Jason Michas as Zak
 * as Wheezie
 * as Cassie
 * as Digit
 * Holly G. Frankel as Sagwa Miao and Fern Walters
 * Oliver Grainger as Dongwa Miao
 * Jesse Vinet as Sheegwa Miao
 * as Fu-Fu
 * as Nai-Nai Miao and Jane Read
 * as Arthur Read
 * as Buster Baxter
 * as D.W. Read
 * as Binky Barnes and Dave Read

Puppets

 * as Elmo
 * as Big Bird and Oscar the Grouch
 * as Big Bird (understudy)
 * as Oscar the Grouch (understudy)
 * as Bert
 * as Ernie
 * as Grover
 * as Cookie Monster
 * as Zoe
 * as Rosita
 * as Theo Lion
 * as Cleo Lion
 * as Lionel Lion
 * as Leona Lion

Humans

 * as Richard Quickster
 * as Felipe Ortega (reprising his role from Sagwa: The Movie, Zoboomafoo: Jungle Tracks!, Liberty's Kids: The Movie, and Zak and Wheezie's Big Circus Adventure)
 * as himself
 * as himself
 * as himself
 * Billy Griffith as Tubby Fenders (reprising his role from )
 * as Ben Feld (reprising his role from )
 * as themselves
 * Brock Baker as a security guard at the They Might Be Giants concert
 * as Marco Quickster
 * as Macy Quickster
 * as the M.C. of the bad movie award ceremony

Production
The movie was mainly filmed in, , and under the working title of "PBS Kids: All Together for a Reading Mystery". The Annette Street Library in Toronto served as the exterior of the Barnaby B. Busterfield III Library from Between the Lions (the interior was a studio set at the Wallace Avenue Studios). The opening dance scene at a was filmed at a location in,  on Keeaumoku Street.