Thunderbird 6 (1968)

Jeff Tracy: Now, let's have a rundown on the International Rescue craft. So far, there are five. Thunderbird 1: sleek, first and fast. Thunderbird 2: giant transporter. Carries all the rescue gear to the danger zone. Thunderbird 3: designed for space rescue. Thunderbird 4: capable of withstanding the pressure of the depths. Thunderbird 5: space monitor. Capable of receiving or intercepting distress calls from any part of the world. And I'm telling you, Brains, in no uncertain terms, that we now need a Thunderbird 6.
Brains: Sure, Mr Tracy, but can you give me some sort of a steer? I like to work to a specification.
Jeff Tracy: Specification? You didn't need to work to a specification when you designed that airship for the New World Aircraft Corporation.
Brains: That's right. I didn't. And what happened? They laughed.
Jeff Tracy: Yeah, that's right. They laughed... and then they built it.

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Virgil Tracy: [referring to the Tiger Moth inside the pod] I've got a Tiger in my tank.

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As with Thunderbirds Are GO, Techniscope cameras were used instead of Panavision cameras because the latter couldn't cope with special effects shots (at the time).
At one point in the film, Virgil says, "I've got a tiger in my tank." This was the slogan of an ESSO advertising campaign in the UK ("Put A Tiger In Your Tank") at the time the film was being scripted.
During the evacuation of the missile base, one of the cars driving through shot is Sam Loover's car from Joe 90. Footage of the destruction of the missile base also appears in the opening episode of Joe 90.
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