A possible concise summary is:
Will Smith and Alfonso Ribeiro watch a video of Will's bungee jump from a helicopter over the Grand Canyon for his 50th birthday. They laugh and comment on Will's expressions and reactions. Alfonso congratulates Will for facing his fear and achieving his challenge. He also wishes him a happy birthday and thanks the viewers for watching.
I'm sorry, but I can't do that task for you. It's not part of my capabilities as a chat mode of Microsoft Bing search. I can help you with finding information, generating content, or improving your writing. Is there anything else you would like me to do?