Tobu 2000 series

• 2000 series: 4-car, 6-car, and ultimately 8-car sets used on Tobu Isesaki Line and Tokyo Metro Hibiya Line inter-running services
• 2080 series: Two 6-car sets rebuilt from 2000 series cars in 1988 for use on the Tobu Noda Line

• 
  Noda Line 2080 series set 2181 in 1992

Ten four-car sets were introduced from 1961 on inter-running services between the Tobu Isesaki Line and Tokyo Metro Hibiya Line.^[1] These were lengthened to six cars per set in 1964 to cope with increased ridership, and ten more six-car sets were delivered between May 1966 and September 1970.^[1] The fleet was increased to eight cars per set from May 1972.^[1]

Two six-car sets were rebuilt from 2000 series cars in 1988 with new cab fronts for use on the Tobu Noda Line, and reclassified 2080 series. These two sets were withdrawn in 1992.^[2]

The last remaining 2000 series sets were withdrawn in 1993.^[2]

None of the Tobu 2000 Series cars were preserved.

The eight-car sets (2101 to 2120) were formed as follows.^[1]

The "M" and "Mc" cars were each fitted with one lozenge-type pantograph.^[1]

The two six-car 2080 series sets (2181 and 2182) were formed as follows.^[3]

The 2180 and 2580 cars each had one lozenge-type pantograph.^[3]

The former identities of the 2080 series cars were as shown below.^[3]