Haha, good one (yet again)
Is there any end to Chuck's, uhm, how to put this, lack of realism? Speaking of realism, the Mythbusters tested several concepts portrayed in the series and several of them did work, although some of the procedures had steps removed to make sure kids wouldn't get injured by trying it in real life.
Did you also remember all the mystery surrounding his secret first-name that was allegedly so horrible that he always used his last name. Even I thought it was exagerated when it was finally revealed that it was Angus.
After MacGyver he played in the tv-series Stårgate SG1 which was yet another big role he got famous for. While recording a scene then this happened
http://www.youtube.com/watch?v=tRkexJ-MBCQ&feature=relatedNote: I seem to remember seeing this where you could see his face just staring back at the crew and the camera in disbelief but no clips on youtube shows that for some reason, I must've seen on it tv then.
Frank