Quick answer · Season 1

Invasion is a science-fiction and thriller series that aired on ABC, running from 2005 to 2006 with 1 season and 22 episodes. Invasion has ended. Its final episode aired on May 17, 2006.

U.S. premiere: September 21, 2005
Where: ABC
Time: Varies by station
Episodes: 22
Finale: May 17, 2006

Where to watch Invasion season 1 in the U.S.

Where to watch Invasion season 1 in the U.S.
Where	How	When	Notes
ABC	Broadcast (free)Antenna / cable	September 21, 2005 – May 17, 2006	Original U.S. run on ABC. [1]

Season 1 episode schedule

Invasion season 1 U.S. episode schedule
Ep.	Title	U.S. date	Time	Status
1	Pilot	Wed, Sep 21, 2005 ^[1]	Check local listings national slot	Listed
2	Lights Out	Wed, Sep 28, 2005 ^[1]	Check local listings national slot	Listed
3	Watershed	Wed, Oct 5, 2005 ^[1]	Check local listings national slot	Listed
4	Alpha Male	Wed, Oct 12, 2005 ^[1]	Check local listings national slot	Listed
5	Unnatural Selection	Wed, Oct 19, 2005 ^[1]	Check local listings national slot	Listed
6	The Hunt	Wed, Oct 26, 2005 ^[1]	Check local listings national slot	Listed
7	Fish Story	Wed, Nov 9, 2005 ^[1]	Check local listings national slot	Listed
8	The Cradle	Wed, Nov 16, 2005 ^[1]	Check local listings national slot	Listed
9	The Dredge	Wed, Nov 23, 2005 ^[1]	Check local listings national slot	Listed
10	Origin of Species	Wed, Nov 30, 2005 ^[1]	Check local listings national slot	Listed
11	Us or Them	Wed, Jan 11, 2006 ^[1]	Check local listings national slot	Listed
12	Power	Wed, Jan 18, 2006 ^[1]	Check local listings national slot	Listed
13	Redemption	Wed, Jan 25, 2006 ^[1]	Check local listings national slot	Listed
14	All God's Creatures	Wed, Feb 8, 2006 ^[1]	Check local listings national slot	Listed
15	The Nest	Wed, Feb 15, 2006 ^[1]	Check local listings national slot	Listed
16	The Fittest	Wed, Mar 8, 2006 ^[1]	Check local listings national slot	Listed
17	The Key	Wed, Mar 15, 2006 ^[1]	Check local listings national slot	Listed
18	Re-Evolution	Wed, Apr 19, 2006 ^[1]	Check local listings national slot	Listed
19	The Son Also Rises	Wed, Apr 26, 2006 ^[1]	Check local listings national slot	Listed
20	Run and Gun	Wed, May 3, 2006 ^[1]	Check local listings national slot	Listed
21	Round Up	Wed, May 10, 2006 ^[1]	Check local listings national slot	Listed
22	The Last Wave Goodbye	Wed, May 17, 2006 ^[1]	Check local listings national slot	Listed

Dates are U.S. dates. Broadcast times are the network's national slot; your local station may differ.

About Invasion

Invasion is a science-fiction and thriller series that aired on ABC, running from 2005 to 2006 with 1 season and 22 episodes. Invasion has ended. Its final episode aired on May 17, 2006.

Season 1: Season 1 of Invasion aired from September 21, 2005 to May 17, 2006 on ABC (22 episodes).

Network / service: ABC (first aired September 21, 2005)
Main cast over the series (TVmaze): Eddie Cibrian (Russell Varon), William Fichtner (Sheriff Tom Underlay), Kari Matchett (Dr. Mariel Underlay), Lisa Sheridan (Larkin Groves), Tyler Labine (Dave Groves)

Common questions

How many seasons of Invasion are there?

Invasion has 1 season and 22 episodes listed, airing from September 21, 2005 to May 17, 2006.

Is Invasion cancelled or ended?

Invasion has ended. Its final episode aired on May 17, 2006.

Where can I watch Invasion?

Invasion originally aired on ABC in the U.S. Streaming rights for older seasons change over time, so check ABC's own app and the major streaming services for the current home.