- Scott Tracy: All right, go no go for launch. Telemetry?
- John Tracy: Go!
- Scott Tracy: Navigation?
- Gordon Tracy: Go!
- Scott Tracy: Air Frame.
- Virgil Tracy: Go!
- Scott Tracy: Propulsion.
- Brains: Go!
- Scott Tracy: Helm.
- Alan Tracy: Go!
- Scott Tracy: Then lets go home.
- [turns to his father]
- Scott Tracy: Wanna count us down?
- Jeff Tracy: I was hoping you'd ask. Five... Four... Three... Two... One. Thunderbirds are go!
- Alan Tracy: How did you do it, dad? How did you last so long?
- Jeff Tracy: Surviving was easy. How did I last? Thinking of all of you. I knew you'd find a way. I never gave up hope.
- The Mechanic: They're coming for me. The Hood wants a T-Drive engine and besides stealing the ZERO-XL itself, I am his only way to get one.
- Grandma Tracy: As long as you're on Tracy Island, you're safe.
- Grandma Tracy: The Hood is fueled by anger, jealousy and revenge. I'm not safe anywhere.
- Fuse: Out my way, Grandma!
- Grandma Tracy: That's Mrs. Tracy to you. Or 'ma'am' or even 'Dr. Tracy', even though I'm retired. But no one calls me Grandma unless you're part of the family.