Dr. Cockroach comes up with a brilliant plan to break themselves out of Area 52 – but to implement the plan, he has to trick B.O.B. into thinking it’s his birthday.
| Actor | Role |
|---|---|
 Will ArnettThe Missing Link (voice) | The Missing Link (voice) |
 Hugh LaurieDr. Cockroach Ph.D. (voice) | Dr. Cockroach Ph.D. (voice) |
 Seth RogenB.O.B. (voice) | B.O.B. (voice) |
 Mike MitchellInvisible Man (voice) | Invisible Man (voice) |
 Kiefer SutherlandGeneral W.R. Monger (voice) | General W.R. Monger (voice) |