Cartoon viewing guide

The Trap Door

Somewhere in the dark and nasty regions where nobody goes, stands an ancient castle. Deep within this dank and uninviting place lives Berk, the overworked servant of The Thing Upstairs. But that's nothing compared to the horrors that lurk beneath The Trap Door. For there is always something down there, in the dark, waiting to come out...

Options can vary by season and change over time. Verified links include a check date; search links help you look but do not confirm that the show is currently available.