Table:
0
A
B
C
D
E
1
Production no.
Episode no.
Original Airdate
Episode Title
Host
2
15
201
January 28, 2008
"Underground Apocalypse"
Don Wildman
3
16
202
February 4, 2008
"Vietnam"
Don Wildman
4
17
203
February 11, 2008
"A-Bomb Underground"
Don Wildman
5
18
204
February 25, 2008
"Viking Underground"
Don Wildman
6
19
205
March 3, 2008
"Hitler's Last Secret"
Don Wildman
7
20
206
March 10, 2008
"Maya Underground"
Don Wildman
8
21
207
March 17, 2008
"Mob Underground"
Don Wildman
9
22
208
March 24, 2008
"Prophecies From Below"
Don Wildman
10
23
209
March 31, 2008
"New York: Secret Societies"
Don Wildman
11
24
210
April 14, 2008
"Washington, D.C.: Seat of Power"
Don Wildman
12
25
211
April 21, 2008
"Stalin's Secret Lair"
Don Wildman
13
26
212
April 28, 2008
"Katrina Underground"
Don Wildman
14
27
213
May 5, 2008
"Secret Soviet Bases"
Don Wildman

Questions and formulas:
Question: What is the title of the episode that originally aired on March 31, 2008?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="march 31, 2008"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E14,C2:C14="march 31, 2008"),4))
Level: medium
Question: What is the episode number of the episode that originally aired on February 4, 2008?
Formula: SUMIFS(B1,C1,"february 4, 2008")
Formula2: SUMIFS(B2:B14,C2:C14,"february 4, 2008")
Level: easy