Heroic Taco is the pilot episode of BF2020 and is set to debut during November 2019.
A short preview was shown at Objectia2019:
Barf Bag & Four: Help us. We need help.
Taco: No need to repeat yourselves.
Barf Bag: Just hurry up.
Taco: Ok (jumps into the flames)
Taco: *whispers faintly* see you in 20201
*Barf Bag, Taco and Four burn. BB and Taco melt.*