Beast Wars Second: LioConvoy in Imminent Danger!

The movie begins with a space battle between the space pirate Seacons and the Cybertron Jointron brothers. Both combine, forming God Neptune and Tripledacus respectively, and being fighting iit out. They become heavily engaged in combat, until a mysterious spaceship knocks them both deeper into space. Back at the Cybertron base, one of the Cybertron warriors, Apache, informs the Cybertrons that an object is approaching Planet Gaea. The Destrons have also noticed the spaceship. Galvatron and his brother Gigastorm discuss it and Galvatron decides that the ship is a positive sign, and it will bring good luck.

(Source: MAL)