Ian Chesterton's struggle to accept the reality of time travel and the Doctor's world.

Ian Chesterton, a rational schoolteacher, refuses to accept the Doctor’s claims of time travel despite the TARDIS’s impossible interior. His skepticism—rooted in a worldview that rejects the supernatural—clashes with Barbara’s …

The Doctor, frustrated by Ian’s persistent skepticism, finally opens the TARDIS doors to reveal a prehistoric landscape—shattering Ian’s disbelief. Barbara, already leaning toward acceptance, steps outside first, while Ian, still …