The End of the Universe arc reaches its conclusion in the 17th episode of Transformers: Bumblebee Cyberverse Adventures.
Iaconus falls. All looks lost, until Megatron returns from the Multiverse with a new plan to take down Starscream.
Replay previous installments of this series that you should already be watching, then sound off on the 2005 boards!
(Note: may be region-blocked, your viewing mileage will vary).