Tony begins to notice that things are going missing from his workshop... and discovers that his bots have been hiding a very, very big secret from him. Or rather, a very, very small one. In which Dummy is a kleptomaniac, You is painfully shy, Butterfingers is a programming genius, JARVIS is a sarcastic sonofabitch, Pepper takes care of Tony outside of the workshop, Bruce is Tony's boo, Thor is Tony's favourite, Clint is actually kind of smart, Steve has terrible timing, and problem-solving is never simple or easy.

A fourth episode, beginning where the third ended. In which Sherlock and John play the cards dealt to them; featuring running, puzzles, running, a card game analogy, and more running.