Swamp Murders (2013)

S3E13 The Sins of the Fathers: Goblin War! (1)

Dr. Ohn’s Time Dilation Accelerator is stolen, attracting the attention of the city’s most notorious criminals who seek to exploit its portal capabilities. Meanwhile, Peter and Mary Jane are at a celebration for Felicia Hardy's engagement to Jason Macendale when they accidentally catch wind of a plot involving a significant robbery.