I guess the model era and the miller era will no longer be revived anymore due to people deaths, David Mitton (1939 - 2008), Wilbert Awdry (1911 - 1997), Michael Angelis (1944 - 2020), Peter Fonda (1940 - 2019), George Carlin (1937 - 2008), Angus Wright (1934 - 2012)