The Librarians 4×10 Promo “And Some Dude Named Jeff”

The Librarians 4×10 “And Some Dude Named Jeff” Season 4 Episode 10 Promo – When Jenkins body-switches with a 28-year-old slacker named Jeff, he must find his way back into the Library to correct the mistake. But he will need a team to do it, and enlists the help of Jeff’s hapless Dungeons & Dragons friends. Can they make it in time, before Jeff destroys the Library?