This is Daniel Cook. is a Canadian children's television series created by J. J. Johnson and Blair Powers and produced by Toronto's Marblemedia and Sinking Ship Productions in association with Treehouse TV and TVO. It is shown in Canada on Treehouse TV, TVOKids, Access, Knowledge Network, and SCN. The series also aired on the Disney Channel in the United States, in between programs in the mid-to-late 2000s. Qubo aired the show as a full 30-minute program. The series also aired on Disney in Japan, E-Junior in the United Arab Emirates and on ABC2 (in Australia).

The show is about a 7-year-old boy (age 7 to 8 in the first seasons but age 9 in the second season) named Daniel Cook who learns new things and shares his experiences and adventures with other kids. For example, he learns about taekwondo, gymnastics, and animals. He also visits a fire station, a YMCA, and more. The show was filmed in Toronto, Ontario, Nova Scotia, New Brunswick and Walt Disney World in Orlando, Florida. Every episode is six minutes long, while the half-hour shows consist of five six-minute episodes. The series has been sold by Distribution360 to over eighty-five countries worldwide, and dubbed into fourteen languages.

The series has also launched a six-volume book series distributed by Kids Can Press and produced by marblemedia. Five DVDs have also been released featuring episodes from the series.

There is another television series that complements This is Daniel Cook. called This is Emily Yeung. It premiered on Treehouse TV in September 2006. Another follow-up called This is Scarlett and Isaiah., It premiered on Treehouse TV in September 2013.

Production was completed in April 2006.