Found All of season 1 and 4 Episodes of season 2
From The Lost Media Wiki
i know that downloading from torrents are a bit sketchy and not exactly legal, but i randomly searched thepiratebay and search results are showing all 13 episodes of season 1 and 4 episodes of season 2., LInk: https://www.thepiratebay3.to/s/?q=Pitchmen