I listen to loads as I commute and work:
iFanboy pick of the week. The 3 guys are old pals have a very good rapport which makes this comics review show funny. It's also keeps a nice discipline when so many geek podcasts can be people rambling on aimlessly at times.
For interview shows I listen to Scroobius Pip, WTF, Nerdist and Word Balloon but pick and choose the people I'm interested in most of the time rather than listen to all of them. I listen to all of the Richard Herring Leicester Square Theatre podcasts and the Shambles ones from Robin Ince and Josie Long.
Documentary style stuff is This American Life, Radiolab, Freakonomics.
Radio shows released as podcasts I also listen to are Kermode and Mayo's film show, BBC Friday Night Comedy and Infinite Monkey Cage.