Andromeda: Season 2, Episode 22

2 - 22: Tunnel at the End of the Light

Dylan is hosting the signing of the New Commonwealth charter on board the Andromeda when they are attacked by a Pandimensional Species. Ships coming from another universe through a dimensional tunnel fight the Andromeda and Nietzschean and Commonwealth fleets. Beka and Tyr try to close the tunnel by launching a Nova bomb from the Maru.