After escaping from new foes, Optimus Primal, Rattrap, Cheetor and Blackarach...
Beast Machines: Transformers
Season 1 Episode 12: Techno-Organic War II: The Catalyst
Liquid from Cybertron's organic core nourishes the Maximal's orchard: Blackarachnia persuades Rattrap to let her use some to try to resurrect SIlverbolt's spark from within Thrust. But her belief proves false.