Table:
0
A
B
C
D
E
1
Series
Season
Original air date
Production code
Episode title
2
108
1
Fall 2014
601
"Uh, So This is My Team?"
3
109
2
2014
602
"TBA"
4
110
3
2014
603
"TBA"
5
111
4
2014
604
"TBA"
6
112
5
2014
605
"TBA"
7
113
6
2014
606
"TBA"
8
114
7
2014
607
"TBA"
9
115
8
2014
608
"TBA"
10
116
9
2014
609
"TBA"
11
117
10
2014
610
"TBA"
12
118
11
2014
611
"TBA"
13
119
12
2014
612
"TBA"

Questions and formulas:
Question: What date did episode 4 in the season originally air?
Formula: LET(query1,SUMMARIZE(C1,SUMX(B1)),FILTER(query1,CHOOSECOLS(query1,2)=4))
Formula2: LET(query1,SUMMARIZE(C2:C13,SUMX(B2:B13)),FILTER(query1,CHOOSECOLS(query1,2)=4))
Level: hard
Question: What date did episode 115 in the series originally air?
Formula: LET(query1,SUMMARIZE(C1,SUMX(A1)),FILTER(query1,CHOOSECOLS(query1,2)=115))
Formula2: LET(query1,SUMMARIZE(C2:C13,SUMX(A2:A13)),FILTER(query1,CHOOSECOLS(query1,2)=115))
Level: hard