Norm Macdonald turned storyteller on Twitter tonight, sharing his experience of being involved with Sunday's Saturday Night Live 40th-anniversary episode and revealing that "Celebrity Jeopardy!" sketch writers originally called for Eddie Murphy to play Bill Cosby—but that the Norbit star begged off at the last minute in deference to the pudding spokesman and accused serial rapist.


Here's Macdonald's full Twitter story, as curated by our Kevin Draper:

There used to be a Storify embed here, but Storify doesn’t exist anymore.