In the labyrinthine corridors of the FBI's Behavioral Analysis Unit, where minds of prodigious intellect converge to unravel the complex web of criminal behavior, there's a lighter side to the gravitas that rarely surfaces but is cherished when it does. 

Reid engaged in a playful and quirky banter with a blonde colleague. They are ensconced within the confines of a sleek elevator — a setting often chosen for its forced intimacy and potential for uninterrupted dialogue. The conversation, tinged with references to iconic time-travel adventures, spirals into a humorous debate over the nuances between a 'police box' and a 'phone booth.

Reid, with his eidetic memory and encyclopedic mind, is quick to correct his colleague's casual reference to a science fiction classic, assertively noting the difference and expounding on the origins of the famed series. His colleague, initially perplexed, attempts to draw a parallel to another pair of time-traveling heroes, Bill and Ted. The banter takes a turn into a comedic meta-critique, with Reid's character humorously suggesting that the show they are discussing is a mere rip-off of the latter's "excellent adventures."

The exchange concludes with a nuanced playfulness, as Reid's cohort expresses regret, not for her error but for the act of questioning itself, recognizing Reid's penchant for being right. Reid, ever the gentleman-scholar, seems slightly bewildered but forgiving, a testament to his layered personality — at once a genius and yet so humanly approachable.