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:
| Episode # | Season # | Title | Writer(s) | Director | Originalairdate |
| --- | --- | --- | --- | --- | --- |
| 14 | 2.0 | "Mutation City" | Glenn Leopold | Robert Alvarez | September10,1994 |
| 15 | 2.0 | "A Bright and Shiny Future" | Glenn Leopold | Robert Alvarez | September17,1994 |
| 16 | 2.0 | "When Mutilor Strikes" | Lance Falk | Robert Alvarez | September24,1994 |
| 17 | 2.0 | "Razor's Edge" | Mark Saraceni | Robert Alvarez | October29,1994 |
| 18a | 2.0 | "Cry Turmoil" | Lance Falk | Robert Alvarez | November5,1994 |
| 18b | 2.0 | "SWAT Kats Unplugged" | Glenn Leopold | Robert Alvarez | November5,1994 |
| 19 | 2.0 | "The Deadly Pyramid" | Glenn Leopold | Robert Alvarez | November12,1994 |
| 20 | 2.0 | "Caverns of Horror" | Glenn Leopold | Robert Alvarez | November19,1994 |
| 21a | 2.0 | "Volcanus Erupts!" | Glenn Leopold | Robert Alvarez | November26,1994 |
| 21b | 2.0 | "The Origin of Dr. Viper" | Glenn Leopold | Robert Alvarez | November26,1994 |
| 22 | 2.0 | "The Dark Side of the SWAT Kats" | Jim Katz | Robert Alvarez | December10,1994 |
Question:
what was the title of the episode 21a?
Answer:
"Volcanus Erupts!"