Ad blocker interference detected!
Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers
Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.
Sinister Sam is a mean-looking cowboy who appears in several Old West sketches on Sesame Street. Like Bad Bart, it seems like he's going to make trouble, but he turns out to be harmless.