What's on TV Tonight: October 30

The Simpsons 7-7:30pm, FOX. In this year's Halloween anthology, Flanders becomes a Dexter-like vigilante and Bart and Milhouse inhabit alien avatars.

Allen Gregory 7:30-8pm, FOX. A pretentious 7-year-old gets a rude awakening when he is forced to enroll in public school.

The Walking Dead 8-9pm, AMC. Shane is trapped in the school while the others wait for the supplies he's carrying and Daryl and Andrea continue to search for Sophia.

Dexter 8-9pm, SHOW. Batista and Quinn talk with a potential witness at Professor Gellar's old university and Debra is forced to begin therapy due to the shooting at the bar.

Homeland 9-10pm, SHOW. Carrie protests when Brody is brought in to assist in the interrogation of his former guard.