Ned's Newt: Season 1, Episode 8
""Home Alone With Frank"" Newton fills in for the baby-sitter and the Flemkins go out to dinner, asking Uncle Frank to drive by and check on Ned. The Uncle, on his way to a costume party as Frankenstein, sees Newton's big shadow and tries the front door. Ned and Newton, terrified by the Late Show, see the creature outside and decide it must be kept outside at any cost. ""The Lucky Penny"" When Ned's Dad inadvertently deposits Ned's lucky penny in the bank, Newton decides to do the only sane and reasonable thing to help his owner...tunnel into the bank vault and go through every coin to get it back.