I plan to add some more videos eventually but hopefully that can get you started if you are starting out with perl and/or Dancer/2.
There are many many resources online for using perl, the only advice I can give is to avoid using
http://perldoc.perl.org/ as I find it gives the most terse, odd usage of functions in perl and never gives any basic usage. For example, the first example for the split function is this: print join(':', split('b', 'abc')), "\n";
And you get a good usage example of split which is simple to understand and easily readable.
perlmaven explains things properly with real-world usage so I could highly recommend it as a great starting point (and I quite often end there as well!).
David