TB 4 Trapped! was a short story printed in TV Century 21 that contained elements from the Doctor Who universe. Framed as the front page of an in-universe periodical, the titular article instead made reference to the Thunderbirds comic story Solar Danger, which was a crossover with the DWU.
A shoal of small amphibians, numbering millions of creatures, has totally engulfed TB 4. The amphibians, which are minute forms of lake monster, threaten to jam the motors and explode the drive reactor.
Even a minute of delay in helping Gordon could mean that he is doomed.
