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(NEWSER) – Norm Macdonald posted a very long series of tweets last night about Saturday Night Live's 40th anniversary reunion special, and in it, he explains why Eddie Murphy didn't have a more prominent role on the special.

Murphy, who hadn't returned to the SNL studio in more than three decades, only ended up on stage for 70 seconds, and all he did was give thanks for "being remembered for his contribution to the show," People reports. But the writers originally wanted Murphy to play Bill Cosby in a Celebrity Jeopardy sketch that would also feature Macdonald as Burt Reynolds. It was Macdonald's job to convince Murphy, and they talked it over for "a good hour," Macdonald tweeted. The idea was a video Daily Double with the category of "potent potables," Macdonald said, in which "Cosby would be mixing a drink in a video that was taped 6 months ago."

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