Be Cool, Scooby-Doo! (2015)

S1E24 Into the Mouth of Madcap

Daphne takes on the responsibility of babysitting her friend’s son, Wayne, leading the group to an amusement park that conceals a menacing killer clown. While Daphne strives to ensure Wayne enjoys his day, the rest of the gang splits off to explore the park and unravel the mystery surrounding Madcap, the deranged clown.