Seth Rogen and Jonah Hill AND Steve Martin crash James Franco's 'SNL' monologue

James Franco started tonight's Saturday Night Live monologue bummed that the show brass doesn't do anything fancy for a host's fourth time at the rodeo, like give him a Five-Timers jacket, or even write a script. (Humblebrag noted, Jimmy James.)

So instead, Franco took random audience questions. But one woman's thoughtful and probing question about the actor's career trajectory was overshadowed by an awfully familiar face poking around behind her.

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If it isn't longtime Franco friend Seth Rogen – who just "happened" to win the ticket lottery for the very weekend his buddy was hosting. "Luckily I'm a huge [musical guest] SZA fan so it worked out," Rogen shared.

But the friends got to sniping quickly, using an innocent audience member as the conduit for questions about why Rogen has only hosted SNL twice to Franco's four stints – "There's a rule that only one stoner can host a season, and it's me" – and the relative quality of their buddy comedies compared to Franco's solo efforts.

"Why don't you tell James that they're called 'Stonys,' which is a hilarious play on the word 'Tonys,' and that they are as prestigious as an Oscar, plus when you win you get a bag of weed," Rogen said, in defense of the "prestigious" award-winning Pineapple Express. 

Before the bickering could get too far out of hand, who joined the fray but Jonah Hill – who seemed equally dubious of Franco's hosting abilities.

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"Oh… people, they wanna see you?"

And then, out of nowhere, Steve Martin, the legend himself, appeared in the cheap seats.

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"I want you to know I used to stand on that very spot, right where you're standing," a furious Martin said. "And I gotta say, I resent it, just a little bit."

Poor James Franco. At least they're not throwing spoons at him.