There'n many tutorial you can get on internet. Of course you can easily find it on google. Or maybe just search it on Youtube or Vimeo. Then you will find tons of tutorial there. But now, I'll make it easy for you to find them.
Here best sites for Cinema 4D tutorials that I know and I use for training :
The owner of this site is Nick with his team: Chris Schmidt, Danny Schmidt, Dave Kiss, and Jacqueline Mueller.
This site has been growing with over Two Hundred Cinema 4D tutorials over the last five years. Check out the collection of growing tutorials about motion graphics and lighting or watch some of the large tutorials where Nick and friend show how to go from Cinema 4D to After Effects.
Speaking of Tim, his site HelloLuxx has been pivitol in my understanding of Cinema 4D over the years. His site is one of the only “Designer Based” Cinema 4D sites out there. If you need Cinema 4D training for broadcast graphics work, this is your place. No spinning 3D monsters here.
Here you’ll find a compilation of free Cinema 4D tutorials (plus some After Effects too) from the blog. If you are looking for a deeper learning experience, you can check out the training collection - a selection of Cinema 4D Training and Houdini, expert classes, from some of the best professionals out there. There are currently over 50 free tutorials in that section, affectionately known as Tim’s Tips. The free tutorial section is constantly expanding so check back in regularly.
Here you can find various of Cinema 4D and After Effects tutorials for visual effects. Also there you can get Cinema 4D templates and some of free 3D model.
This is Cinema 4D Tutorial and Resources site. You can find reference videos, tips, project tutorials, presets and plugins for Cinema 4D here. For the free account, you can get hundreds of tutorials, browse and search the forum, and view shared playlists.