Wikia

Batman Beyond has 52 episodes. "Rebirth," "The Call" and "Curse of the Kobra" consisted of two-parters episodes.

Airdate Order	Prod. Order	Title	Airdate	Opponent(s)
01-02	01-02	Rebirth	January 10, 1999	Derek Powers
03	03	Black Out	January 31, 1999	Inque
04	04	Golem	February 7, 1999	Willie Watt
05	07	Meltdown	February 14, 1999	Mr. Freeze
06	08	Heroes	February 21, 1999	Terrific Trio
07	10	Shriek	March 14, 1999	Shriek
08	06	Dead Man's Hand	March 21, 1999	The Royal Flush Gang
09	05	The Winning Edge	April 11, 1999	Mason Forrest
10	09	Spellbound	May 1, 1999	Spellbinder
11	12	Disappearing Inque	May 8, 1999	Inque
12	11	A Touch of Curaré	May 15, 1999	Curaré
13	13	Ascension	May 28, 1999	Derek Powers
14	16	Splicers	September 18, 1999	Dr. Cuvier
15	15	Earth Mover	September 25, 1999	Earthmover
16	14	Joyride	October 2, 1999	Jokerz
17	17	Lost Soul	October 9, 1999	Vance
18	19	Hidden Agenda	October 16, 1999	Terminal
19	18	Bloodsport	October 23, 1999	Stalker
20	20	Once Burned	November 6, 1999	The Royal Flush Gang
21	21	Hooked Up	November 13, 1999	Spellbinder
22	22	Rats	November 20, 1999	Ratboy
23	23	Mind Games	December 4, 1999	The Brain Trust
24	24	Revenant	December 11, 1999	Willie Watt
25	25	Babel	January 8, 2000	Shriek
26	26	Terry's Friend Dates a Robot	January 15, 2000	Cynthia
27	27	Eyewitness	January 22, 2000	Barbara Gordon, Spellbinder
28	30	Final Cut	February 5, 2000	Curaré
29	29	The Last Resort	March 4, 2000	Dr. Wheeler
30	31	Armory	March 11, 2000	Armory
31	32	Sneak Peek	March 25, 2000	Ian Peek
32	34	The Eggbaby	April 1, 2000	Ma Mayhem
33	28	Zeta	April 8, 2000	Zeta
34	33	Plague	April 15, 2000	Kobra
35	35	April Moon	April 22, 2000	April Moon Gang
36	37	Sentries of the Last Cosmos	May 6, 2000	Simon Harper
37	36	Payback	May 13, 2000	Payback
38	40	Where's Terry?	May 27, 2000	Shriek
39	41	Ace in the Hole	August 19, 2000	Ronny Boxer
40	42	King's Ransom	September 16, 2000	The Royal Flush Gang
41	39	Untouchable	September 23, 2000	The Repeller
42	46	Inqueling	September 30, 2000	Inque
43	38	Big Time	October 7, 2000	Richard Armacost, Karros, Charlie Bigelow
44	44	Out of the Past	October 21, 2000	Ra's al Ghul
45	45	Speak No Evil	November 4, 2000	James Van Dyle
46	50	The Call	November 11, 2000
47	51	The Call, Part II	November 18, 2000	Starro
48	43	Betrayal	December 9, 2000	Big Time
49	48	Curse of the Kobra	February 3, 2001	Zander
50	49	Curse of the Kobra Part II	February 10, 2001	Zander
51	52	Countdown	April 7, 2001	Mad Stan
52	47	Unmasked	December 18, 2001	Kobra