The Tampa Bay Lightning are closing in on a rare third successive Stanley Cup title, but while captain Steve Stamkos is confident his "pretty special" squad will get it done, they face a huge challenge from the explosive Colorado Avalanche.

The last team to win three straight NHL championships was the New York Islanders, who won four in a row in the 1980s.

The Lightning showed they may have what it takes to three-peat by coming back from two games down to beat the New York Rangers in the best-of-seven Eastern Conference final.