List of Doraemon films
Doraemon 1979 anime (original series)

#
Title
Original release
1
"Doraemon: Nobita's Dinosaur"
15 March 1980
2
"Doraemon: The Records of Nobita, Spaceblazer"
14 March 1981
3
"Doraemon: Nobita and the Haunts of Evil"
13 March 1982
4
"Doraemon: Nobita and the Castle of the Undersea Devil"
12 March 1983
5
"Doraemon: Nobita's Great Adventure into the Underworld"
17 March 1984
6
"Doraemon: Nobita's Little Star Wars"
16 March 1985
7
"Doraemon: Nobita and the Steel Troops"
15 March 1986
8
"Doraemon: Nobita and the Knights on Dinosaurs"
14 March 1987
9
"Doraemon: The Record of Nobita's Parallel Visit to the West"
12 March 1988
10
"Doraemon: Nobita and the Birth of Japan"
11 March 1989
11
"Doraemon: Nobita and the Animal Planet"
10 March 1990
12
"Doraemon: Nobita's Dorabian Nights"
9 March 1991
13
"Doraemon: Nobita and the Kingdom of Clouds"
7 March 1992
14
"Doraemon: Nobita and the Tin Labyrinth"
6 March 1993
15
"Doraemon: Nobita's Three Visionary Swordsmen"
12 March 1994
16
"Doraemon: Nobita's Diary on the Creation of the World"
4 March 1995
17
"Doraemon: Nobita and the Galaxy Super-express"
2 March 1996
18
"Doraemon: Nobita and the Spiral City"
8 March 1997
19
"Doraemon: Nobita's Great Adventure in the South Seas"
7 March 1998
20
"Doraemon: Nobita Drifts in the Universe"
6 March 1999
21
"Doraemon: Nobita and the Legend of the Sun King"
4 March 2000
22
"Doraemon: Nobita and the Winged Braves"
10 March 2001
23
"Doraemon: Nobita in the Robot Kingdom"
9 March 2002
24
"Doraemon: Nobita and the Windmasters"
8 March 2003
25
"Doraemon: Nobita in the Wan-Nyan Spacetime Odyssey"
7 March 2004

Question: What is the 20th Doraemon film?
Answer: "Doraemon: Nobita Drifts in the Universe" is the 20th Doraemon film.