The first episode in season four of Oil Change: All In opens in the spring of 2013. The Edmonton Oilers new general manager Craig MacTavish assesses what went wrong last season. On April 3, 2013, a dominating 8-2 win over Calgary propelled the Oilers into the final playoff spot in the NHL’s Western Conference. But twelve days and five straight losses later, they had dropped right out of contention and never got close again.