From Young Justice.
Context: After the 'Sins of Youth' storyline, Superboy looses his powers. Bart feels sorry for him, searches through his comics and finds a few alternative ways for Sup's to get some powers. Including secretly serving him 'super juice' (dont' even ask me what was in it), making him eat a spider (to which Secret says "I think it's supposed to be radioactive) and finally, dousing Superboy in the same chemicals that gave The Flash his powers and electrocuting him....