As agent Cole Ortiz on this season's 24, Freddie Prinze Jr. races against the clock. As a father, Prinze Jr. does the same thing changing his baby daughter's diapers.

"I'm good at it. I'm fast," first-time dad Prinze Jr. told George Lopez on Tuesday's Lopez Tonight. "I can time myself, 46 seconds."

Prinze Jr., 33, who with wife Sarah Michelle Gellar has a 4-month-old daughter, Charlotte Grace, admitted he's not quite so handy with other parenting skills.

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That is so sweet. Like father like son. Freddie would've loved his grandbaby...

Sarah Michelle must be very happy that Freddie is not only willing to change diapers but is so efficient at it!