The episode will air in the spring. So far, there's no word on how Ryan and Tannenbaum will be used on the show, but shame on the writers if they pass up the opportunity to have Rex lend his expertise toward examining some sort of footprint.
As seen in the picture at right (courtesy @LAflak), Ryan and Tannenbaum will have some lines in the episode, which must make network censors a little nervous. There's still no cursing allowed on CBS, right?
With the speaking role, Ryan will one-up the last Jets coach who made a cameo on a popular television drama. When Eric Mangini appeared on "The Sopranos" he didn't get to utter a single line: