However, when briefly merged with his tenth incarnation's TARDIS, the Doctor's fifth incarnation noted that the coral structures could be part of the current TARDIS' "desktop theme." He also suggested that it was worse than the "leopard skin" appearance. (TV: Time Crash) The tertiary console room of the Seventh Doctor's TARDIS had a similar organic rock-like appearance. (PROSE: Nightshade) TARDIS coral began growing around the tribophysical waveform macro-kinetic extrapolator after it was integrated with the TARDIS long enough. (TV: The Runaway Bride)