The Professor's "What If" machine answers four questions.
Episode rating
Cast of episode
74
18
5
1
1
- Philip J. Fry
- Turanga Leela
- Bender
- Scruffy
- Amy Wong
- Hermes Conrad
- Morbo
- Linda
- Al Gore's Head
- Stephen Hawking
- Nichelle Nichols
- Gary Gygax
- Cubert Farnsworth
- Nibbler