Someone began a list and I'll just paste it here to find it easier. Perhaps a kind soul can add remaining episodes with title and cast.

Ep. 1 - 真理的味道 / The Taste of Truth (starring Jin Dong, Liu Yijun) 1921

Ep. 2 - 守护 / Guardian (starring Lin Yongjian, Dai Xu) 1949

Ep. 3 - 磊磊的勋章 / Leilei's Medals (starring Liu Leilei, Liu Tianzuo) 1992

Ep. 4 - 纽扣 / Buttons (starring Zhang Jingyi, Niu Junfeng) 1980

Ep. 5 - 歌唱祖国 / Ode to the Motherland (starring Guo Xiaodong, Wang Ou) 2007

Ep. 6 - 173米 / 173 Metters (starring Zhang Yunlong, Liu Shuailiang) 2013

Ep. 7 - 你的眼神 / The Look in Your Eyes (starring Zu Feng, Yuan Shangshan) 1992

Ep. 8 - 雪国的篝火 / Bonfire in the Snowland ( starring Wang Jinsong, Sun Jian) 1935

Ep. 9 - 劳工万岁 / Long Live the Workers (starring Feng Shaofeng, Zhang Huiwen) 1919

Ep. 10 - 天河 / Man-made Milky Way (starring Deng Lun, Liu Youchang) 1960

Ep. 11 - 第五十五封信 / The 55th Letter (starring Qin Junjie, Jiang Mengjie) 2002

Ep. 12 - 一家人 / Family (starring Li Yitong, Chen Ruoxuan) 2020

Ep. 13 - 叛逆者 /  Resistance Fighter (starring Chen Xiao, Wang Xun) 1948

Ep. 14 - 秀才遇到兵 / Scholar Meets Soldier (starring Jing Boran, Li Naiwen) 1952

Ep. 15 - 希望的方舟   / Ark of Hope (starring Lu Yi, Yuan Bingyan) 1955

Ep. 16 - 希望的田野 / The Field of Hope (starring Zhao Liying, Liu Wei) 2015

Ep. 17 -  破 冰 / Ice Breaking (starring Du Chun, Hu Ya Jie) 1980's

Ep. 18 -  八妹 / Bella (starring Angelababy Yang Ying, Yin Xiao Tian) 1930

Ep. 19 - 冰 糖 / Crystal Sugar (starring  Ren Cheng Wei,  Liu Yun) 1962

Ep. 20 -  我是小方 / I am Xiaofang (starring  Wu Lei, Tao Hong) 1936

Ep. 21 -  远方，不远 /  It's Not Far Away  (starring  Wang Jun Kai,  Hou Yong) 1968

Ep. 22 -  l从头再来 / Back to Square One (starring  Hu Ke, Hao Ping) 1994

Ep. 23

Ep. 24 -  烈 性 / Spirit (starring  Lay Zhang Yi Xing, Tong Meng Shi) 1937