<Tr> <Td> ← Previous "A River Runs Through Bob" </Td> <Td> Next → "Seaplane!" </Td> </Tr> <Tr> <Td_colspan="2"> Bob's Burgers (season 4) List of Bob's Burgers episodes </Td> </Tr> <P> "Fort Night" is the second episode of the fourth season of the American animated comedy series Bob's Burgers . The episode, written by Mike Olsen, is the series' second Halloween special, and features guest appearances from comedians Aziz Ansari and Molly Shannon . Its plot centers around the Belcher siblings--Tina (Dan Mintz), Gene (Eugene Mirman), and Louise (Kristen Schaal)--getting trapped in their makeshift fort on Halloween with their friends Darryl (Ansari), Andy (Laura Silverman), and Ollie (Sarah Silverman), all the while being tormented by Millie (Shannon), a psychotic classmate of Louise's who refuses to send any help . The children must try to escape the fort before trick - or - treating commences at night . </P> <P> "Fort Night" originally aired on October 6, 2013 on Fox and drew an audience of 4.21 million viewers . After its airing, the series took a temporary month - long hiatus to make way for the network's Major League Baseball coverage . The episode received positive reviews from critics, who were complimentary towards its main plot . </P>

What episode of bob's burgers is halloween