Clifford the Big Red Dog (2019) Episode 7 - Coming Soon! / Fire Dog Tucker >Tucker is ready to take his Fire Dog Test and Emily Elizabeth and Clifford are ready to help their friend pass in any way he can. For every part of the test, however, Tucker gets scared easily and hides in the Fire Chief's fire pants. Emily Elizabeth helps cheer up Tucker with a history lesson about dalmatians and their roles as fire dogs, but when Willa gets trapped in a cave and the fire truck gets a puncture, it's up to Tucker to face his fears to save the day.