Elimination at the chocolate factory

1st - Piella Bakewell fell in the chocolate river, got sucked up in the pipe toward the ceiling, near the fudge room (The Chocolate Room)

2nd - Anita Radcliffe turned herself into a blueberry (The Inventing Room)

3rd - Heather Muldoon fell in the garbage chute (The Nut Sorting Room)

4th and last - Angelica Pickles sent herself in TV (The Television Room)