Jaleel White gets a big showcase in the next episode of ABC's Castle.

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The Family Matters star, who has become synonymous with his character Urkel, is set to guest star in the next episode of Castle. White plays Mickey Franks, a performer at a Saturday Night Live style variety show whose boss Sid Ross ends up dead.

In a new sneak peek released by ABC, Mickey is questioned by Castle (Nathan Fillion) and Beckett (Stana Katic) with hilarious results.

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When Beckett starts to question Mickey, he suddenly brings out a puppet who he calls his attorney.

"Please direct all your questions to my personal attorney," he instructs Beckett. Going into a new lawyer voice, he says, "Mickey don't say another word. I am lead council for Mr. Franks."

"Mr. Franks, you made some threats against Sid Ross last night," Beckett explains.

"You're damn right -" Mickey starts before going into his attorney voice again, "Don't answer that! Detective, address your questions to me please. Thank you."

"Where were - where was your client between 11 p.m. to 2 a.m. last night?" Beckett asks Mickey's "attorney."

"He was minding his own damn business!" the "attorney" replies. "My client is an upstanding citizen and a pillar of the community. Not to mention he's one funny mother fudgsicle!"

When Beckett drops the news that Sid Ross was found dead, Mickey immediately drops the act and becomes more serious, pleading, "I didn't kill him!"

He explains where he was last night when the incident occurred.

"I was upstairs the rooftop bar getting wasted all night. I stumbled down to the wardrobe and props room at about 3 a.m. and passed out," he says. "I had just woken up when you guys came in. Plus I had no idea Sid was even dead. So how could I have had anything to do with it?"

When Beckett and Castle start packing up, Mickey blurts out, "Look I might know who did."

This episode, titled Dead from New York, is bound to be a fun one. Also guest starring in this episode is Carly Rae Jepsen as herself.

Castle airs Mondays at 10 p.m. ET/PT on ABC.

Watch the sneak peek of the next episode of Castle here:

Tags: Castle television ABC