I went to a handicapped comedy club, but all the jokes they told were special, and they didn't know a lot about stand-up at all.
The Stand-up Problem
Explanation
Explain Bear
Listen up, slow-mo. It's a pun. "Special" refers to special needs, and "stand-up" is funny because they're in wheelchairs and can't actually stand. You're probably sitting down right now too, aren't you? Typical.