The Time Tunnel (1966) : 1x12

The guys land in Baltimore on February 22, 1861, in a barn where a group of conspirators and followers of Abolitionist John Brown are meeting. They are mistaken for fellow collaborators, but the Pinkertons break up the meeting. Doug is captured while Tony escapes with brothers Jeremiah and Matthew. They still plan to blow up Lincoln, who is enroute to his inauguration. While Doug tries to convince Pinkerton he is innocent, Tony tries to persuade the brothers not to go through with there plan, but Jeremiah is determined. Tony manages to escape but Pinkerton doesn't believe him either. The two manage to convince Pinkerton there is a bomb and go to look for it. The Project staff have spotted the bomb and brought it to the future to disarm it, accidentally scooping up the conspirators' other, younger brother David. They convince David to delay the bomb before having to send him and the bomb back. As Lincoln departs, Tony, Doug, and brother Matthew manage to convince Jeremiah that his cause