Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| No. in series | No. in season | Title | Directed by | Written by | Original Air date |
| --- | --- | --- | --- | --- | --- |
| 41.0 | 1.0 | "Grampires"(Part 1) | Neill Fearnley | Erik Patterson & Jessica Scott | October13,2012 |
| 42.0 | 2.0 | "Grampires"(Part 2) | Neill Fearnley | Erik Patterson & Jessica Scott | October13,2012 |
| 43.0 | 3.0 | "The Cast" | Ken Friss | Craig S. Phillips & Harold Hayes Jr. | October20,2012 |
| 44.0 | 4.0 | "The Weeping Woman" | Neill Fearnley | Harold Hayes Jr. & Craig S. Phillips | October27,2012 |
| 45.0 | 5.0 | "Intruders" | Ken Friss | Jack Monaco | November3,2012 |
| 47.0 | 7.0 | "Red Eye" | Ken Friss | Natalie Lapointe & Greg Yolen | November17,2012 |
| 48.0 | 8.0 | "My Imaginary Friend" | James Head | Melody Fox | November24,2012 |
| 49.0 | 9.0 | "Poof De Fromage" | Ken Friss | Erik Patterson & Jessica Scott | December1,2012 |
| 50.0 | 10.0 | "The Golem"(Part 1) | Neill Fearnley | Jack Monaco | December8,2012 |
| 51.0 | 11.0 | "The Golem"(Part 2) | Neill Fearnley | Jack Monaco | December8,2012 |
| 52.0 | 12.0 | "The Girl in the Painting" | Ken Friss | Jack Monaco | December15,2012 |
| 53.0 | 13.0 | "Checking Out" | James Head | Melody Fox | January19,2013 |
Question:
which episode of the season aired on october20,2012
Answer:
3.0