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Watch Bill Hader get a surprise visit from idol Keith Morrison of Dateline

Willie Geist engineered a surprise visit between Hader and one of his "personal heroes" on Sunday TODAY.
/ Source: TODAY

Bill Hader often hilariously imitated Dateline correspondent Keith Morrison during his time on "Saturday Night Live" and has called him one of his "personal heroes."

However, he had never met Morrison in real life — cue dramatic Dateline music — until now.

The "Barry" star received a great surprise when Morrison flew from Los Angeles to surprise him during Hader's interview on Sunday TODAY with Willie Geist.

In the clip, Hader joins Willie in one of the Dateline editing bays at Rockefeller Center to see how they put together the show, which airs Fridays at 10 p.m.

Hader thinks he's watching Morrison do a "pretty rad" voice-over in a studio in Los Angeles when he's asked if there's any advice he can give Morrison.

"I can't give him pointers, he's the master,'' Hader said. "I don't know you get better than Keith Morrison."

Bill Hader, Keith Morrison
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That's when the man himself surprises Hader in person.

"I knew he was gonna be here!" a beaming Hader said.

Hader also talked about the surprise during an appearance on "Late Night with Seth Meyers" earlier this month.

"It was like the Beatles,'' Hader said. "I was like, 'Aaaaaaahhhh.'"

Hader frequently imitated Morrison during his run on "SNL" from 2005-13, narrating tales of murder and mayhem in his best Morrison tone.

"(He's) one of my personal heroes,'' Hader told Meyers. "He makes me laugh. He likes to tell terrible true crime stories in a sing-song kind of way."