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Dax helps Booster stop The Slink from going invisible and ruining a birthday party.
Ana Gasteyer
Crabitha (voice)
Dee Bradley Baker
Wingo (voice)
Gracen Newton
Hopper (voice)
Cynthia Erivo
The Slink (voice)
Alison Pill
Farmer Faye (voice)
Alan Cumming
Dame Luxley (voice)
Dulé Hill
Dr. Vaughn (voice)
Susan Kelechi Watson
Professor Millie (voice)
