Agnes Brown
From Tardis Wiki, the free Doctor Who reference
Agnes Brown was a woman who, one Christmas at the BBC studio, entered the Doctor's TARDIS, mistaking it for a dressing room that she hoped would be "bigger than it [looked]", before it dematerialised, taking her with it. (TV: It's Showtime)
Behind the scenes
Agnes is the titular character of the BBC sitcom, Mrs. Brown's Boys.