Welcome back, fans, to the 1st annual Tournament of TV Fanatic!

It's time for you, TV Fanatics, to choose your favorite CBS star! We will be conducting surveys among fan favorites from across the network. The concept is easy: Pick your favorite of the two pairs in each poll. That's it!

Mark Harmon and Simon Baker started the semifinals off yesterday. That poll remains open, so be sure to vote. Today, semifinal #2 pits HIMYM's Neil Patrick Harris against H5O's Alex O'Loughlin!

Which of these popular CBS stars is your favorite? Cast your vote now ...

And the Winner is? Neil Patrick Harris Click Here To Vote for Neil Alex O'Loughlin Click Here To Vote for Alex NPH or Alex O'Loughlin: Which CBS star do you love more? Vote in this semifinal matchup of the Tournament of TV Fanatic: CBS Edition! View Poll »

Poll is now closed! Here are the results: Neil Patrick Harris 37.8%

62.2%

View Poll » Neil Patrick HarrisAlex O'LoughlinTotal Votes: 4276

On tap Monday: The Championship! Here's the updated CBS bracket:

Steve Marsi is the Managing Editor of TV Fanatic. Follow him on Google+ or email him here.