Welcome to the Couch Club, our weekly column devoted to all things #DCTV! This week, Joshua Lapin-Bertone celebrates Detective Comics' 1000th issue by looking at some of the characters, stories and elements from the series that have made their way to Gotham.
So why DOES Batman have a T-Rex in the Batcave? How did he get a letter from his dad? And seriously, what's with the giant penny? In honor of Batman's 80th anniversary, we're taking a look at some of the more unusual stops on the Batcave tour. Watch your step!