Critic's Notebook: 'Community' returns to its weird, fun roots

'Community' Season 5 premieres Thursday on NBC and marks the return of creator Dan Harmon, a welcome change for the show's devoted community.The fifth season of "Community" begins Thursday on NBC, with the return of creator and show runner Dan Harmon, absent from his own show — he was fired — in Season 4. Writer-producer Chris McKenna has also returned; the pair shares credit for the opening episode, "Repilot," which will be immediately followed by a second episode, "Introduction to Teaching...