Barbara and Ian's investigation into Susan's strange behavior and origins versus the Doctor's attempts to conceal the truth about Susan and the TARDIS.

As the final school bell rings, Barbara Wright deliberately delays Susan Foreman’s departure, instructing her to wait while other students file out. The exchange is brief but charged with unspoken …

Ian and Barbara, already suspicious after hearing Susan’s voice from inside the police box, confront the Doctor—only for his evasive deflections to unravel when Susan’s frantic call from within the …