This page may contain affiliate links. We may earn commissions when readers interact with or purchase items through these links. Great Scott! Seibertron.com is celebrating Back to the Future Day (October 21st!) with a look at one of the most unique Transformers crossovers ever — Transformers Collaborative Gigawatt! This figure joins our growing lineup of Transformers Collaborative galleries, which also includes crossovers with Street Fighter, Ghostbusters, and Sonic the Hedgehog. … View the full Transmission on SEIBERTRON.com.This page may contain affiliate links. We may earn commissions when readers interact with or purchase items through these links. Great Scott! Seibertron.com is celebrating Back to the Future Day (October 21st!) with a look at one of the most unique Transformers crossovers ever — Transformers Collaborative Gigawatt! This figure joins our growing lineup of Transformers Collaborative galleries, which also includes crossovers with Street Fighter, Ghostbusters, and Sonic the Hedgehog. … View the full Transmission on SEIBERTRON.com.